Slewing the aircraft at low altitude is the only way of getting the cockpit from turning black after you get so high on the x plane 11 avro rj 100 jet. These are the traditional aircraft variety.
If you fly at high altitude in an aircraft which is not pressurized (or with wrong pressurization settings), the cockpit and external views will darken and then go black. If it happens, try slewing the aircraft at low altitude (<10.000 ft) and see if the image reappears after a while.
An aircraft is a vehicle or machine that is able to fly by gaining support from the air and has cockpit. It counters the force of gravity by using either static lift or by using the dynamic lift of an airfoil, or in a few cases the downward thrust from jet engines.
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what is the type of blood the contains antibody B and Rh
Answer:Blood type AB Rh+
Explanation:
Dr. Amari is investigating whether automobile accidents in her city increase, decrease, or stay the same 24 hours after daylight savings (this is when the time changes to one hour earlier). She looks up public records at the police station and documents any accidents and notes the dates and times.
Dr. Amari discovers a trend. She finds that accidents do seem to increase right after clocks are reset to an hour earlier.
Which one of the following research techniques is Dr. Amari using?
A. naturalistic observational research
B. archival research
C. experimental research
D. survey research
Since Dr. Amari finds that accidents do seem to increase right after clocks are reset to an hour earlier. The research techniques that Dr. Amari using is B. archival research.
What is archival research?Archival research is any investigation that looks for, locates, and extracts data and proof from original archives. Archives are documents, records, and other sources pertaining to the actions and claims of people, groups, or both that are historical and not current.
Note that The term "data collection techniques" refers to procedures for gathering and analyzing various types of data. Examining papers pertaining to a topic, as well as conducting interviews and observations, are common methods of gathering data.
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a horizontal wire that is 25 m long and has a mass of 100 g is held under a tension of 10 n. a sinusoidal wave of frequency 25 hz and amplitude 15 mm travels along the wire. calculate the maximum traveler velocity of any particle of the wire.
the maximum velocity of movement of any particle of the wire is 3.87 m/s
AND)
and)
L = wire length = 25 m
m = weight of wire = 100 g = 0.1 kg
The linear mass density of the wire is given as
μ = m/L = 0.1/25 = 0.004 kg/m
T = tensile force in the wire = 10 N
the speed of the wave along the wire is given as
v =√(T/μ)
v = √ (10/0.004)
v = 50 m/s
(ii)
A = amplitude = 15 mm = 0.015 m
f = frequency = 25 Hz
the maximum lateral velocity is given as
Vmax = 2πfA
Vmax = 2(3.14)(25)(0.015)
Vmax = 2.4 m/s
b)
F = force acting on each edge = 2.5 N
L = length of each edge = 0.75 m
m = weight of each edge = 125 g = 0.125 kg
the speed of the waves on the sheet is given as
v = √(FL/m) = √(2.5 x 0.75/0.125) = 3.87 m/s
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a 65-kg boy and a 45-kg girl use an elastic rope while engaged in a tug-of-war on an icy, fricktionless surface. if the acceleration fo the girl toward the boy is 3.0 m/s^2, find the magnitude of the acceleration of the boy toward the girl.
The magnitude of the acceleration of the boy toward the girl was 0.82 m/s².
Acceleration is the rate of change of the velocity of an item with appreciation to time. Accelerations are vector portions. The orientation of an item's acceleration is given by the orientation of the net pressure appearing on that object.
Calculation:-
mass of girl = 45 kg
acceleration of girl = 3 m/s²
F = ma
= 45 × 3
= 135 N
According to newton's third law equal but the opposite force is applied to the boy towards the girl.
135 = 65 × a
a = 135/165
= 0.82 m/s²
Acceleration is the charge at which velocity modifications with time, in terms of each speed and route. A factor or an object moving in a straight line is accelerated if it quickens or slows down. Movement on a circle is extended despite the fact that the rate is consistent because the course is continually changing.
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A person rides in an elevator.
What is the equal and opposite force for the force of the elevator floor pushing up on the person as described by Newton's third law?
The equal and opposite force for the force of the elevator floor pushing up on the person as described by Newton's third law is the weight and the reaction force from its effect.
What is an Elevator?This is referred to as a device which is used in the vertical transportation of goods and people among the floors in a buildings.
When an individual steps into the elevator, the weight acts on it and it is known as a downward force while the reaction acts upward in an opposite reaction as described by Newton's third law in this scenario.
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a lighthouse is located on a small island 5 km away from the nearest point p on a straight shoreline and its light makes eight revolutions per minute. how fast (in km/min) is the beam of light moving along the shoreline when it is 1 km from p? (round your answer to one decimal place.)
The movement of the beam of light is an illustration of distance and rates
The beam of light along the shoreline is moving at 261.5 km per minute when it is 1 km from P
What is rate of change of distance?The ratio of the distance traveled to the time required is used to compute average speed, which is the rate at which distance changes in relation to time.
[tex]\frac{d\theta}{dt}[/tex] = 8 rev min⁻¹ = 16 [tex]\pi[/tex] rad min⁻¹
tan [tex]\theta[/tex] = [tex]\frac{x}{5}[/tex]
Differentiate both sides with respect to t
[tex]sec^2 (\theta) \frac{d\theta}{dt} = \frac{1}{5} \frac{dx}{dt}[/tex]
[tex]\frac{d\theta}{dt}[/tex] = 16 [tex]\pi[/tex]
Then,
[tex]\frac{dx}{dt}[/tex] = [tex]sec^2 (\theta) X 80\pi[/tex]
From the question, x = 1. calculate the hypotenuse (h) side of the triangle, using the following Pythagoras theorem.
[tex]h^2 = 1+ 5^2\\[/tex]
h =[tex]\sqrt{26}[/tex]
sec ([tex]\theta[/tex]) = [tex]\frac{\sqrt{26} }{5}[/tex]
Substitute sec ([tex]\theta[/tex]) = [tex]\frac{\sqrt{26} }{5}[/tex] in [tex]\frac{dx}{dt}[/tex] = [tex]sec^2 (\theta) X 80\pi[/tex].
[tex]\frac{dx}{dt} = (\frac{\sqrt{26} }{5} )^2 . 80\pi[/tex]
= 83.2 [tex]\pi[/tex] = 261.48
Hence, the beam of light along the shoreline is moving at 261.5 km per minute when it is 1 km from P.
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(part 1 of 2)
The Royal Gorge bridge over the Arkansas
River is 352 m above the river. A bungee
jumper of mass 124 kg has an elastic cord of
length 55 m attached to her feet. Assume the
cord acts like a spring of force constant k. The
jumper leaps, barely touches the water, and
after numerous ups and downs comes to rest
at a height h above the water.
The acceleration of gravity is 9.81 m/s^2
Find h. Answer in units of m.
(part 2 of 2)
Find the maximum speed of the jumper.
Answer in units of m/s.
a. The height of the bungee jumper above the water is 171.72 m
b. The maximum speed of the bungee jumper is 83.1 m/s
a. How to find the height h of the bungee jumper above the water?Since the bungee jumper barely touches the water surfaces and comes to rest after numerous bounces, using the law of conservation of mechanical energy,
K = U where
K = elastic potential energy of cord = 1/2 kx² where k = spring constant, x = extension of cord = H - L where H = height of bridge = 352 m and L = length of cord, U = gravitational potential energy of jumper = mgH where m = mass of jumper = 124 kg, g = acceleration due to gravity = 9.81 m/s² and H = height of bridgeSo, 1/2 kx² = mgH
1/2 k(H - L)² = mgH
Making k subject of the formula, we have
k = 2mgH/(H - L)²
Substituting the values of the variables into the equation, we have
k = 2mgH/(H - L)²
k = 2 × 124 kg × 9.81 m/s² × 352 m/(352 m - 55 m)²
k = 856373.76 kgm²/s² ÷ (297 m)²
k = 856373.76 kgm²/s² ÷ 88209 m²
k = 9.71 N/m
Next, we find the extension of the bungee cord. WE know that the spring force, F = kx where
k = spring constant and x = extensionequals the weight of the bungee jumper, W = mg when the bungee jumper is at rest.
so, F = W
kx = mg
x = mg/k
Substituting the values of the variables into the equation, we have
x = 124 kg × 9.81 m/s²/9.71 N/m
x = 1216.44 kgm/s²/9.71 m
x = 125.28 m
So, the total stretched length of the bungee cord after it comes to rest is L' = L + x = 55 m + 125.28 m = 180.28 m
So, the height of the bungee jumper above the water is H' = H - L'
= 352 m - 180.28 m
= 171.72 m
So, the height above the water is 171.72 m
b. How to find the maximum speed of the jumper?To find the maximum speed of the jumper, we must have minimum extension of the bungee cord.
Using the law of conservation of mechanical energy, the maximum potential energy of the jumper, U equals the mnimum elastic potential energy of the cord, U' + the maximum kinetic energy of the bungee jumper, K'
So, U = U' + K'
mgH = 1/2kx'² + 1/2mv² where
m = mass of bungee jumper = 124 kg , g = acceleration due to gravity = 9.81 m/s², H = height of bridge = 352 m, k = spring constant = 9.71 N/m, x = minimum extension of cord = 0 m, and v = maximum speed of bungee jumperMaking v subject of the formula, we have
v = √[2gH - (kx'²/m)]
Substituting the values of the variables into the equation, we have
v = √[2gH - (kx'²/m)]
v = √[2 × 9.81 m/s² × 352 m - (9.71 N/m × (0 m)²/124 kg)]
v = √[6906.24 m²/s² - (9.71 N/m × 0 m²/124 kg)]
v = √[6906.24 m²/s² - 0 Nm/kg)]
v = √(6906.24 m²/s²)
v = 83.1 m/s
So, the maximum speed is 83.1 m/s
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Find the direction of the sum of
these two vectors:
B 3.14 m 2.71 m 30.0°
-60.0°A direction (deg)
The magnitude and direction of the sum of vectors will be 4.15 m aligned in 50° in north west direction.
Both the vectors are making angle in a way that it will add up to 90° , hence a right angles triangle will be formed .
using Pythagoras theorem
[tex]H^{2} = P^{2} + B^{2}[/tex]
sum of vector = [tex]H^{2} = P^{2} + B^{2}[/tex]
H = [tex]\sqrt{P^{2} + B^{2} }[/tex]
= [tex]\sqrt{3.14^{2} + 2.71^{2} }[/tex]
= 4.15 m
let theta is the angle along the base vector 2
tan (theta ) = P/B = 3.14 / 2.71 = 1.16 °
theta = [tex]tan^{-1}[/tex] ( 1.16 )
≈ 50°
hence , The magnitude and direction of the sum of vectors will be 4.15 m aligned in 50° in north west direction.
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Fill in the information below using the knowledge you just learned of the periodic table.
1. What is the name of this element?
2. What is the atomic number of this element?
3. What is the atomic mass of this element?
4. What is the symbol for this element?
a spring with an m-kg mass and a damping constant 10 (kg/s) can be held stretched 1.5 meters beyond its natural length by a force of 3 newtons. if the spring is stretched 3 meters beyond its equilibrium position and then released with zero velocity, find the mass that would produce critical damping.
12.5kg is the mass that would result in critical damping.
Define the damping constant and determine it using the force or displacement equation provided.The ability of a damper to resist motion is shown by its damping coefficient, which measures the effectiveness of the damper. where c is the damping coefficient and is expressed in newton seconds per meter.
The damping coefficient is a term that has the formula where is a constant. This damping is equivalent to the kind of motion resistance and energy loss experienced when a piston with perforations is moved through a cylinder filled with a viscous fluid, like oil.
Force F = Kx
K = F/x
K = 3/1.5
K = 2N/m.
c² - 4mk = 0
m = c²/4k
m = 10²/4×2
m = 100/8
m = 12.5kg.
12.5kg is the mass that would result in critical damping.
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When a solid becomes a liquid, the particles
slip and slide past each other
are vibrating
are in a lattice structure
bounce off each other
solid particles vibrate and slip past each other when they become liquid.
the airplane in the image below is flying horizontally (parallel to the ground) with a velocity of 65.0 m/s and an altitude of315 m when it releases a care package. if we ignore air resistance, how far (measured in meters)will the package travel along the horizontal,x-dimension (range) before hitting the ground?
The package travel along the horizontal 516.1 m before hitting the ground.
When an object was released from a plane with a constant speed, the object also has a gravity force. So the object has a projectile motion.
Along the x-axis, the object gets uniform velocity.If the problem didn't give the magnitude of the acceleration due to gravity, we can assume it's 10 m/s².
Calculate elapsed time.
[tex]h = \frac{1}{2} gt^2[/tex]
[tex]315 = \frac{1}{2} \times 10 \times t^2[/tex]
315 = 5 × t²
[tex]t^2 = \frac{315}{5}[/tex]
t² = 63
[tex]t = \sqrt{63}[/tex]
t = 7.94 s
Calculate the displacement.
d = uₓ × t
d = 65.0 × 7.94
d = 516.1 m
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what is the radius of an object turn if the acceleration is 1.4m/s^2 and has a velocity of 5.3 m/s
Answer:
Radius 20 m.
Explanation:
Given:
aₙ = 1.4 m/s²
V = 5.3 m/s
___________
R - ?
Centripetal acceleration:
aₙ = V² / R
Radius:
R = V² / aₙ
R = 5.3² / 1.4 ≈ 20 m
what is the magnitude of positive charges stored on one plate? what is the magnitude of negative charges stored on the opposite plate?
One plate of the capacitor holds a positive charge Q and the other plate holds a negative charge -Q.
When charging a capacitor, a single electron is first added to one side of the capacitor and then the charge moves so that the electron has an electric field that repels the other electrons.
This electric field penetrates space and pushes electrons into the other plate, giving that plate an induced positive charge. This will give you the same amount of charge on both plates.
So one plate of the capacitor holds a positive charge Q and the other plate holds a negative charge -Q.
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Salem, Sabrina’s magical black cat, gets scared and jumps straight upward with an initial velocity of 20 m/s from a height of 115-meters.
Draw a velocity vs time graph to describe the cat’s motion for the first five seconds of motion.
What is the cat’s velocity and acceleration at it’s maximum height?
What is the cat’s velocity when it hits the ground?
How long does it take for the cat to hit the ground?
PLS HELP!!!!!
Considering a quadratic equation to model the height of the car, we have that:
The graph is given at the end of the answer.At the maximum height, the velocity is of zero and the acceleration is of -9.8 m/s².The velocity when the cat hits the ground is: -51.54 m/s.It takes 7.30 seconds for the cat to hit the ground.What is the quadratic equation for a projectile's height?Considering an acceleration = gravity of -9.8m/s², the equation for the height is given as follows:
h(t) = -4.9t² + v(0)t + h(0).
In which:
v(0) is the initial speed.h(0) is the initial height.Considering the values of these parameters for this problem, of v(0) = 20, h(0) = 115, the equation is:
h(t) = -4.9t² + 20t + 115.
At the maximum height point, we have that:
The velocity is of zero. (standard)The acceleration if of -9.8 m/s². (standard).The velocity function is:
v(t) = v(0) - gt
v(t) = 20 - 9.8t.
Which is the linear function graphed at the end of the answer.
The cat hits the ground at t > 0 for which h(t) = 0, hence:
-4.9t² + 20t + 115 = 0.
Which is a quadratic equation with coefficients given by:
a = -4.9, b = 20, c = 115.
Using a calculator, the positive solution for this equation is:
t = 7.30s.
At this instant, the velocity is:
v(t) = 20 - 9.8(7.3) = -51.54 m/s.
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Question 1(Multiple Choice Worth 2 points)
(05.01 LC)
Historically, what technique was used to release the "evil" that caused disease?
A- Antibiotics
B- Isolation
C- Lobotomy
D- Trepanning
Question 2(Multiple Choice Worth 2 points)
(05.01 MC)
With which of the following statements would René Descartes likely agree?
A- The mind and body cannot be separated, therefore physical illness and mental illness cannot be separated.
B- The mind and body can be separated, therefore physical illness and mental illness can be treated differently.
C- Physical illness is more serious than mental illness and deserves prompt attention.
D- Mental illness is more serious than physical illness and deserves prompt attention.
Question 5(Multiple Choice Worth 2 points)
(05.01 MC)
Which of the following was a negative consequence of deinstitutionalization?
A- Even the most severely ill were able to live freely outside of the hospital setting.
B- Individuals with mental illness were able to resume their relationships with friends and family.
C- Many people with mental illness did not continue treatment once released.
D- The stigma associated with mental illness decreased.
The technique that was used to release the "evil" that caused disease is Trepanning.
Option D is correct.
René Descartes would likely agree with the statement that The mind and body cannot be separated, therefore physical illness and mental illness cannot be separated. So option B is correct.
One of the negative consequence of deinstitutionalization was Many people with mental illness did not continue treatment once released.
So option C is correct.
What is trepanning?Trepanning, also known as trepanation, trephination, trephining or making a burr hole, is described as a surgical intervention in which a hole is drilled or scraped into the human skull.
Deinstitutionalization well-intended move was predicated on the development of a community mental health center network. But it had unintended consequences, which is that many deinstitutionalized mentally ill clients have been forced onto the street with little or no treatment.
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Answer:
A
Explanation:
how did eratosthenes estimate the size of earth in 240 b.c.? how did eratosthenes estimate the size of earth in 240 b.c.? by measuring the size of earth's shadow on the moon in a lunar eclipse by comparing the maximum altitude of the sun in two cities at different latitudes on the summer solstice by sending fleets of ships around earth by observing the duration of a solar eclipse we don't know how he did it since all his writings were destroyed.
By analyzing the Sun's position information at two separate sites on the earth's surface, Eratosthenes, a Greek library in Alexandria, Egypt, discovered the moon's gravity in the third century BCE.
What is the meaning of the solstice?The solstice marks the time of year when the Sun appears to be at either its lowest or highest point in the sky. Because of this, ancients came to refer to this day as one when the Sun popped up to stand still. The word solstice is derived from the Latin words sol, which means "Sun," and sistere, which means "To Stand Still."
What takes place on the solstice?The Earth's axis tilts most nearly toward the sun twice a year during what are known as the solstices. The longest day is experienced in the hemisphere that is inclined closest toward our star.
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a car traveling but at 100 km/h and applies it's brake to stop the acceleration is -10 m/s2 how long does it take for the car to stop?
Answer:
10s [seconds]
Explanation:
[tex]t = \frac{v}{a} [/tex]
t = v/at = 100/-10t = -1010s [seconds]what initial speed should a particle be given if it is to have a final speed when it is very far from the earth that it is equal to one half of esdcape verlodctyu
The initial speed of the particle is 15.83 km/s.
Consider a system having initial potential energy. With time as the system proceed, the potential energy gets converted to kinetic energy. The kinetic and potential energy changes individually, but the total energy is constant at every instant. This is known as the conservation of energy.
Escape velocity , v = 11.200 km/s
The radius of the earth, R = 6400 km
Let the mass of the particle be m.
Let the mass of Earth be by M.
Let the velocity of the particle be v.
By conservation of energy we have,
(1 ÷ 2)mv² - ((GMm) ÷ R) = (1 ÷ 2)m[tex]v_{e}^{2}[/tex]
where G is the gravitational constant.
The gravitational constant and the acceleration due to gravity is related:
g = GM ÷ R²
Thus equation (1 ÷ 2)mv² - ((GMm) ÷ R) = (1 ÷ 2)m[tex]v_{e}^{2}[/tex] becomes,
(1 ÷ 2)v² - gR = (1 ÷ 2)[tex]v_{e}^{2}[/tex]
v² - 2gR = [tex]v_{e}^{2}[/tex]
v² − 2 × 9.8 × [tex]10^{-3}[/tex] km/s² × 6400 km = (11.200km/s)²
v = 15.83km/s
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The question is -
What initial speed would a particle need to be given at the surface of Earth if it is to have a final speed that is equal to its escape speed when it is very far from Earth? Neglect any effects due to air resistance?
transient heat conduction in a semi-infinite solid the appropriate to use instead of the infinite solid?
The semi-infinite body shall be considered as a system that is bounded by one surface and that extends to infinity in other directions.
What is transient heat conduction?Transient conduction is the term for the mechanism of thermal energy transport when temperatures fluctuate over time at any location within an object. Another term for the time-dependent temperature fields in an item is "non-steady-state" conduction.A solid that extends to infinity in all but one direction and has a single plane surface is said to be semi-infinite. This surface will experience brief one-dimensional conduction if a rapid alteration is applied to it.The temperature remains constant over the course of steady-state heat transmission. The temperature fluctuates over time during transient heat transfer.Temperatures are mostly unaffected by changes in surface conditions in the early stages of the transient.To learn more about transient heat conduction refer to:
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a current of 1.80 a flows in a wire. how many electrons are flowing past any point in the wire per second?
Any point in the wire has 1.12 x [tex]10^{19}[/tex]. electrons flow per second.
What causes a current in a wire?Electric current in a wire, where electrons serve as the charge carriers, is a measurement of the amount of charge that moves through any point of the wire in a given amount of time.A free electron is drawn to a proton to become neutral if an electron is added to the wire.Lack of electrons can result from pushing electrons out of their orbits.Electric current is the name given to the constantly moving electrons in wire.The current is the quantity of charge Q flowing through a certain point of the wire in a time interval of [tex]\Delta t[/tex].
I = [tex]\frac{Q}{\Delta t}[/tex].
by using this relationship
I=1.80 A, we can find the charge passing any point in the wire in 1 second:
Electric Charge, Q = 1.80 C.
To find how many electrons corresponds to this charge, we should divide this value by the charge of a single electron
charge of the electron = 1.6 x [tex]10^{-19}[/tex] C.
No. of Electrons = Q/q = [tex]\frac{1.80}{1.6* 10^{-19}}[/tex]= 1.12 x [tex]10^{19}[/tex].
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a secret agent has just stolen the ultimate top secret codes from a terrorist organization. their mission is to throw the information disk off the san francisco bridge onto a small ship that is waiting stationary. the agent gets to the edge of the bridge and sees the ship. using an angle up towards the sky, they throw the disk... which falls short and goes into the water. luckily the secret agent made a backup copy. if they throw it with the same velocity as before, should they increase the angle of the throw to make it to the stationary ship? (you can consider no external factors are present such as wind or clouds.)
Using the range of projectile motion principle, it is determined that the angle at which the information disc is launched must be increased in order for it to reach the stationary spacecraft.
This expression makes it evident that if they want to extend the range of an information disc thrown at constant speed of spacecraft , they must also extend the angle at which they toss it. The horizontal distance that a projectile motion covers is known as its range. This qualifies as a projectile motion scenario for spacecraft.
An object in the air only experiences projectile motion when it is affected by gravity. A projectile motion that is fired into the air close to the surface of the Earth and travels along a curved path, or more precisely a parabolic path, while being pulled downward by gravity, assuming that air resistance is minimal.
According to the formula of Range of projectile motion,
R = U^2*sin2[tex]\alpha[/tex]/g
therefore R is directly proportional to sin2[tex]\alpha[/tex]
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a student slides her 80.0-kg desk across the level floor of her dormitory room a distance 5.00 m at constant speed. if the coefficient of kinetic friction between the desk and the floor is 0.400, how much work did she do? a student slides her 80.0-kg desk across the level floor of her dormitory room a distance 5.00 m at constant speed. if the coefficient of kinetic friction between the desk and the floor is 0.400, how much work did she do? 20.4 j 9.41 j 23.5 j 1.57 kj 15.7 j
Work she did 1.57kj.
Option d is correct
How do kinetic and static friction differ?Kinetic and Static Friction The friction that exists between two systems when they are in touch and immobile with respect to one another is known as static friction. Kinetic friction is the friction that occurs when two systems are in contact and moving in relation to one another.
F(net) = F(applied) - F(friction)
0 = F(applied) - F(friction)
F(applied) = F(friction) (1)
Work done = F(applied) *(desk travel distance)
From 1
Work done = F(friction)*(desk travel distance)
W = µNd
W = µmgd
W = (0.400)(80.0 kg)(9.81 m/s²)(2.00 m)
W =1568 J ← work done to move the desk.
W = 1.57kj
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a transformer consists of two coils of wire wound on a common toroidal iron core. the mutual inductance of the pair is 184 mh and the current in the first coil decreases from 53 a to 0 in 1.4 s. what is the induced emf in the second coil? answer in units of v.
The second coil's induced emf is 13,652.8 V.Therefore, if current varying at a rate of 1 ampere/second in one coil produces an e.m.f. of 1 volt, two coils are said to have a mutual inductance of 1 henry.
Determine the induced emf.Therefore, if current varying at a rate of 1 ampere/second in one coil produces an e.m.f. of 1 volt, two coils are said to have a mutual inductance of 1 henry.
given,
I(t) = I₀ sin(ωt),
M = 184 H, I₀ = 1.4 A, ω = 53 rad/s.
a) magnitude of induced emf in terms of M and I
ε₂ = - M di/dt
The induced emf in the second coil is,
184 * 1.4 * 53 = 13,652.8 V.
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The induced emf in the second coil is 13,652.8 V.
What is induced emf?When a bar magnet is moved into and out of the coil, an emf is produced in the coil. Motion in opposing directions generates emfs of the opposite signs, and reversing the poles likewise reverses the emfs. The relative motion is what matters; if the coil is moved instead of the magnet, the same effects are obtained. The induced emf is equal to (BA cos) = − d/dt. The magnetic field's strength might fluctuate over time. The area that the loop encloses is subject to vary throughout time. With time, the magnetic field's angle with the loop's normal can change.Therefore, if current varying at a rate of 1 ampere/second in one coil produces an e.m.f. of 1 volt, two coils are said to have a mutual inductance of 1 henry.
given,
I(t) = I₀ sin(ωt),
M = 184 H, I₀ = 1.4 A, ω = 53 rad/s.
a) magnitude of induced emf in terms of M and I
ε₂ = - M di/dt
The induced emf in the second coil is,
184 * 1.4 * 53 = 13,652.8 V.
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The graph shows distance versus time for an object.
Which of the following correctly describes the object's motion?
The object is moving with increasing acceleration.
The object is moving with constant acceleration.
The object is moving with increasing velocity.
The object is moving with constant velocity.
The velocity of an object is the ratio of distance to the time. The graph shows, an increase in distance with the increase in time. This linearity make the velocity constant. Hence, the option D is correct.
What is velocity?Velocity of a substance is the measure of distance travelled per unit time. Thus it is the ratio of distance to time.In physics, velocity is the rate of speed.
Velocity = distance/time.
Hence, as the time taken for the travel increases velocity will decreases. In the given graph at each point distance shows linear relation with the time and it obtains a straight line.
Therefore, the distance is increasing with increase in time means the velocity is not changing and it remains constant. Hence, option D is correct.
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a 500.0 kg elevator is pulled upward with a constant force of 5500.0 n for a distance of 50.0 m. what is the work done by the 5500.0 n force on the elevator?
The work done by the constant force to pulled the elevator upward is 275000 Joules.
The work done by any force is given by,
W = Fa
Where,
W is the work done,
F is the force applied,
s is the displacement along the direction of the force,
The force applied on the elevator to pull it upward is 5500N and the distance to which the elevator is pulled is 50 m.
Now, putting values,
W = 5500(50)
W = 275000 Joules.
So, the work done by the force to pull the elevator upward is 275000 Joules.
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Substances in a(n)________
separate properties.
keep their separate properties, but in a(n)___________
the parts are bonded and do not keep their
Substances in a mixture keep their separate properties, but in a compound the parts are bonded and do not keep their separate properties.
Mixtures contains elements and compounds without any fixed ratio and not by any means of chemical bonds. The elements and compounds are physically mixed and so they will be visibly distinct.
Compounds contains elements in a fixed ratio and is connected by chemical bonds. They only contain one type of molecule. Since they are chemically combined the particles appear as one and is not visibly distinct.
Therefore, substances in a mixture keep their separate properties, but in a compound the parts are bonded and do not keep their separate properties.
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ssm a warehouse worker exerts a constant horizontal force of magnitude 85 n on a 40 kg box that is initially at rest on the horizontal floor of the warehouse. when the box has moved a distance of 1.4 m, its speed is 1.0 m/s. what is the coefficient of kinetic friction between the box and the floor?
The coefficient of the kinetic friction between the box and the floor is μk 0.21.
Friction is the force resisting the relative motion of strong surfaces, fluid layers, and fabric elements sliding against every different. There are several sorts of friction: Dry friction is a pressure that opposes the relative lateral movement of two solid surfaces in touch.
Calculation:-
Given,
mass = 40 Kg
Applied force F = 85 N
initial velocity u = 0 (rest)
distance moved = 1.4 meter
Final velocity = 1 m/s
coefficient of kinetic friction =?
Normal force = N = mg = 400 N
v² = u² +2as
a = v²/2s
= 1/2×1.4
= 0.36 m/s²
F = μkN
μk = F/N
= 85/400
0.21
Friction is a shape of touch pressure. It exists between the surfaces which are in touch. The frictional force relies upon on the person of the surface in contact. The rougher the floor, the greater the friction is involved. The frictional force is proportional to the urgent pressure, this is the weight of the body. it's far impartial of the place of the touch.
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what is the origin of the jovian moons? what is the origin of the jovian moons? they are trojan asteroids, orbiting 60 degrees ahead or behind jupiter. they all formed with the planet. they were ripped from the planet's interior in an early cataclysmic event. they were main belt asteroids, captured by jupiter's strong gravity. the four galilean moons formed with jupiter, most others were later captures.
(e)The four Galilean moons formed with Jupiter, most others were later captures
What Are the Characteristics of the Planet Jupiter?Since ancient times, the planet Jupiter has been a noteworthy astronomical object. It was called after the Roman king of the gods. Galileo observed Jupiter and its moons in 1610, and this observational data was crucial in establishing the heliocentric theory of planetary motion. When it is closest to Earth, this outer planet is hundreds of millions of kilometers away, but it is still clearly visible as a bright, colorful point in the night sky.The largest planet in the solar system is the gas giant Jupiter, which is more than 300 times as massive as Earth. Jupiter, after the moon and Venus, is the third-brightest object in the night sky because of its massive size and reflecting clouds. Jupiter orbits the sun at a distance of roughly 500 million miles, well outside the asteroid belt. One Jupiter year is roughly comparable to 12 Earth years due to the great distance between the two planets.Jupiter is orbited by more than 60 identified satellites or moons. Some satellites have brief, erratic orbits and are very small. Like the four moons found by Galileo, Io, Europa, Ganymede, and Callisto, other satellites are big and stable. These moons feature intricate, layered structures that are reminiscent of our own Earth and are almost as big as planets. The goal of current and upcoming space missions is to map out the moons of Jupiter and look for liquid water or possibly life.To learn more about Jupiter, refer to
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lorry is moving with a uniform acceleration of 1.5ms2 .at a certain time it is travelling at a spedd of 6ms .calculate the speed of the lorry 4s later
The speed of the lorry 4 seconds later, given it was moving with uniform acceleration of 1.5 m/s² is 12 m/s
How do I determine the final speed of the lorry?We'll begin by listing out the various parameters obtained from the question. This is shown below:
Acceleration (a) = 1.5 m/s²Initial speed (u) = 6 m/sTime (t) = 4 secondsFinal speed (v) =?The final speed of the lorry can be obtained as follow:
a = (v - u) / t
1.5 = (v - 6) / 4
Cross multiply
v - 6 = 1.5 × 4
v - 6 = 6
Collect like terms
v = 6 + 6
v = 12 m/s
Thus, from the calculation made above, the final speed of the lorry is 12 m/s
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