Use the information from the graph to answer the
What is the total displacement of the object?
question.
m
Velocity vs. Time
Velocity (m/s)
40
30
20
10
0
Time (s)
0
5
10
15
20
25

It should travel at a speed of [tex]13.55[/tex] × [tex]10^{-3}[/tex] [tex]\frac{m}{s}[/tex] so that the two balls have the same momentum.

M = mass of the bowling ball = [tex]4.5 kg[/tex]

V = speed of bowling ball = [tex]3.98 \frac{m}{s}[/tex]

P = magnitude of momentum of bowling ball = ?

magnitude of momentum of bowling ball is given as

[tex]P = MV[/tex]

inserting the values

P = [tex]4.5 * 3.98[/tex]

P = [tex]17.91[/tex] [tex]\frac{kgm}{s}[/tex]

m = mass of ping-pong ball = [tex]1.322[/tex] [tex]g[/tex]= [tex]1.322[/tex] x [tex]10^{-3}[/tex] [tex]Kg[/tex]

v = speed of the ping-pong ball = ?

p = magnitude of momentum of ping-pong ball

Given that :

Magnitude of momentum of ping-pong ball  =  magnitude of momentum of bowling ball

[tex]p = P[/tex]

[tex]m v = 17.91[/tex]

([tex]1.322[/tex] x [tex]10^{-3}[/tex]) [tex]v[/tex] = [tex]17.91[/tex]

v = [tex]13.55[/tex] x [tex]10^{-3}[/tex] [tex]\frac{m}{s}[/tex]

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m= near point/ s.

s=4.28 cm ( the distance of the contract from the magnifying glasses)

Near point = 30cm

so m= 30/4.28= 7

Thus, far from the lens should you hold the print to see a final virtual image 30 cm from the lens (at the eye's near point) is 7

Gabe should place the bulb to ensure a perfect beam of light at (C) (1,0).

A reflective surface used to gather or project energy like light, sound, or radio waves is known as a parabolic, paraboloid, or paraboloidal reflector, dish, or mirror. Its form is a component of a circular paraboloid or the surface produced by a parabola rotating around its axis.

Suppose the equation of parabolic mirror is Y2 = 4ax

The given data in the problem is x = 1 and y = 2

So the subject value is y2 = 4ax

4 = 4 a (1)

4 = 4a

a = 1

So  x = 1

thus focus is at  (x, y) = (1,0)

Thus option C is the correct answer.

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The output force that only lifts the load is 484 N

Calculation

For this case, the relationship between the two forces is given by

[tex]F_{1} =nF_{2}[/tex]

Where,

F1: output strength

F2: input force

n: mechanical advantage

Then, replacing the values ​​we have:

[tex]F_{1} = 2.2*220[/tex] = 484 N

Hence, the output force that only lifts the load is 484 N

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The correct answer is option D.

Vertical wind shear changes in wind direction with horizontal distance.

Generally, atmospheric wind is referred to as vertical or horizontal wind shear. It is also called wind gradient.

Simply put, win shear is defined as the change in wind speed over a particular distance.

More specifically, vertical wind shear refers to the alter in wind speed along altitude while the horizontal change refers to the change in wind speed that occurs along lateral side or position of the atmosphere in a given altitude.

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The pressure applied by the cube of mass 500 kg and side 50 cm on the floor is 200000 Pascal

The mass of the cube is 500 kg and the side of the cube is 50 cm.

Converting the side of the cube from cm to m.

The side of the cube is 0.5 m.

The pressure applied by any body is given by the force applied by the body divided by the area on which the force is applied.

Pressure = force/area

The force applied by the cube will be equal to the weight of the cube,

The weight of the cube is 5000 Newton.

The area of only one side of the cube is in contact with the floor so the area is,

Area = 0.025 m

Putting values,

P = 5000/0.025

P = 200000 Pascal.

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The bomb must be released 3375 m before the target when dropped from the height of 2500.0 m

An equation of motion is an equation that describes the behavior of a physical system in terms of motion as a function of time. More specifically, the equations of motion describe the behavior of a physical system as a set of mathematical functions related to dynamic variables.

Following are the equations of motion:

v = u + at

s = ut + 1/2 at²

v² = u² + 2as

Before calculating the horizontal distance let's calculate the time taken by the bomb to reach the ground by using following equation:

s = ut + 1/2 gt²

u = initial velocity in the vertical direction (0)

s = vertical displacement from the ground (−2500.0 m)

g =  acceleration due to gravity (-9.8 m/s²)

Now substitute the the value in the above reaction:

-2500 = 0 × t +  1/2 × -9.8 t²

-2500 = -4.9 t²

t = 22.5 s

Now the distance covered by the bomb in horizontal direction by the time it reaches the ground is:

D = v × t

Where, D = distance covered by bomb horizontally

v = velocity of bomber (150 m/s )

t = time taken to reach the ground (22.5 s)

D = 150 × 22.5

D = 3375 m

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a ) The resultant of these two forces is 715.92 N at 4.4° to the right of the forward dashed line

b ) If the car has a mass of 2850 kg, its acceleration is 0.25 m / s²

Resolving F1 into its vertical and horizontal component,

F1y = F1 cos θ

F1y = 310 * cos 32°

F1y = 263.5 N

F1x = F1 sin θ

F1x = 310 * sin 32°

F1x = 164.3 N

Resolving F2 into its vertical and horizontal component,

F2y = F2 cos θ

F2y = 464 * cos 13°

F2y = 450.1 N

F2x = F2 sin θ

F2x = 464 * sin 13°

F2x = 106.72 N

∑ Fx = F1x - F2x

∑ Fx = 164.3 - 106.72

∑ Fx = 57.58 N

∑ Fy = F1y + F2y

∑ Fy = 263.5 + 450.1

∑ Fy = 713.6 N

R² = ( ∑ Fx )² + ( ∑ Fy )²

R² = ( 57.58 )² + ( 713.6 )²

R² = 3315.46 + 509224.96

R = 715.92 N

tan θ = ∑ Fy / ∑ Fx

tan θ = 713.6 / 57.58

tan θ = 12.39

θ = 85.6° ( With the horizontal )

With the forward dashed line,

θ = 90 - 85.6

θ = 4.4° ( To the right of the forward dashed line )

F = m a

F = Force

m = Mass

a = Acceleration

m = 2850 Kg

a = F / m

a = 715.92 / 2850

a = 0.25 m / s²

Therefore,

a ) The resultant of these two forces is 715.92 N at 4.4° to the right of the forward dashed line

b ) If the car has a mass of 2850 kg, its acceleration is 0.25 m / s²

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The height of the cliff is 121.75 m.

An equation of motion, describes the behavior of a physical system in terms of motion as a function of time. More specifically, the equations of motion describe the behavior of a physical system as a set of mathematical functions related to dynamic variables. The equations of motion are:

For the given case we will use the following equation:

s = ut + 1 / 2 gt²

s = Height of the cliff

u = Initial velocity of rock (5 m/s)

a = Gravitational acceleration (9.8 m/s²)

t = Time (4.5 sec.)

s = (5 × 4.5) + ( 1 / 2 × 9.8 × 4.5² )

s = 22.5 + 99.25

s = 121.75 m

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Other than 120 and 240 volts, what is another common voltage used inside a building is 208,277and 480volts.

When the same signal is applied to the IN(+) and IN(-) terminals of an op-amp, it must operate satisfactorily within a range of input voltages known as the common-mode input voltage (CMVIN), which is described in the datasheet of the device. You may think of it as never applying common-mode signals to an op-amp.

The voltage shared by an electrical device's two input terminals is known as a common-mode signal. The common-mode signal on a transmission line in telecommunications is also referred to as longitudinal voltage. The signal is typically transmitted between two conductors using a differential voltage in electrical circuits.

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Joe is using crowbar to remove tree stump. When output and input work is given then the efficiency can be calculated as 60%.

Efficiency can be defined as how good a device is at transferring input energy to useful output energy . The efficiency of a device is the proportion of the energy supplied that is transferred for useful work. The efficiency is calculated as a decimal or a percentage.

Given output work as 1240 J

input work as 2066 J

Then efficiency can be calculated by using the formula :

Efficiency= (output work/ input work) * 100%

=( 1240/2066) * 100%

Efficiency = 60%

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Answer: density = 1.36g/cm3

Explanation: 0.025L = 25cm3 and 0.034kg = 34 grams

  Density= mass/volume

           = 34/25

           = 1.36g/cm3

Answer:

Explanation:

Given:

V = 0.025 l;   or V = 25 cm³

m = 0.034 kg = 34 g

______________

ρ - ?

ρ = m / V

ρ = 34 / 25 = 1.36 g/cm³

According to the nebular hypothesis, small terrestrial planets are formed through the process of accretion, in which dense solid particles condensed and collided with one another as a result of their mutual gravitational pull.

As opposed to this, all heavier elements condensed near the sun and formed terrestrial planets, while lighter elements moved away from the sun and formed jovian planets due to the high temperature near the sun, which only allowed heavier particles to condense there.

The solar nebular hypothesis is the explanation put forth and accepted by most scientists as to how the earth came to be. It claims that a nebular, or huge clump of dust, is where the solar system originated. The heavier materials that could resist higher temperatures formed closer to the sun as the condensation of the nebular continued. Because these minerals weren't abundant, the planets they generated weren't very big.

The Jovian planets, on the other hand, formed above the frost line and could support icy compounds. These planets' larger sizes can be attributed to the abundance of ices that formed them. The lighter hydrogen and helium elements were stripped away by solar winds, which caused their accumulation far from the sun.

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Answer: an upward-sloping line drawn on a graph with acceleration shown on the y-axis and force shown on the X-axis

just took the test

an upward-sloping line drawn on a graph with acceleration shown on the y-axis and force shown on the X-axis best describes a graph that would represent the relationship shown in the table

A graph is represented as pictorial form  the of data or numeric values in an organized manner which enables user to represent large amount of data in visual form.

There are 2 types of questions and the features of graphs are interpretation of given graphs or selecting a graph based on a verbal description.

The bar graphs are the most common type of graph, other graphs are dot plots, histograms, line graphs and scatterplots.

A Bar Graph is represented as the graphical display of data using rectangular bars of different parameters like heights, The structure can be represented  in the y axis contains values, and the x axis contains categories or time periods.  

A dot plot is a simple graphical representation  which shows the frequency with which items appears in a data set and present data on the x axis.

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The mass of the meter stick is 0.15 kg.

The parameter

Calculate the weight of the mass.

w = mg

w = [tex]0.05 \times 10[/tex]

w = 0,5 N

Look at the picture. The weight of the stick is in the middle of its length at 50 cm. The meter stick is balanced in the horizontal position. At point A

Σ τ = 0

(ws × 10) - (w × 30) = 0

ws × 10 = w × 30

ws × 10 = 0.5 × 30

ws × 10 = 15

[tex]w_s = \frac{15}{10}[/tex]

ws = 1.5 N

ms × 10 = 1.5

[tex]m_s = \frac{1.5}{10}[/tex]

ms = 0.15 kg

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Energy transformation takes place when using a hair dryer, electrical energy into kinetic energy and thermal energy.

Energy can be converted according to the law of conservation of energy. Every object transforms the original form of energy into another form called a converter. Every electrical device works to convert electrical energy into other forms.

When we use a hairdryer

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The force exerted by the sprinter who is having a mass of 60 kg and accelerating at 15 m/s² is 900 N

The acceleration of the sprinter is 15 m/s²

The mass of the sprinter is 60 kg

The force exerted by the printer can be found using the formula,

                 F = ma

where F is the force exerted by the sprinter

          m is the mass of the sprinter

          a is the acceleration of the sprinter

Let us substitute the known values in the above equation, we get        

                          F = 60 x 15

                             = 900 N

Therefore, the force exerted is 900 N

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Explanation:

While the unitarios fought for a centralized government, located in the city of Buenos Aires, the federales sought political decentralization so that the autonomy of the provinces within the nation would be respected.

Answer:

It's climate sensitivity.

Answer:

35 m/s

Explanation:

vf = vo + at

vf = 15  +  5(4) = 35 m/s

Using Equations of motion, speed after 10 seconds will be 21 m/s and the distance travelled after 10 seconds will be 110 m.

What are  Equations of motion?

Equations of motion are thought of as the relationships that assist us in relating the physical quantities, such as distance traveled, time spent traveling there, acceleration, and initial and final velocities.

First equation of motion

Second equation of motion

Third equation of motion

Given,  initial velocity, u = 1 m/s

            acceleration, a = 2 m/s/s

            time = 10 s

Using First equation of motion, we find the speed after 10 seconds.

v = u + at

v = 1 + 2 x10

v = 1 + 20

v = 21 m/s

Using Second equation of motion, we find the distance travelled after 10 seconds,

s = ut + 1 / 2at2

s = 1 x 10 + ( 2 x 10 x 10)/2

s = 10 + 100

s = 110 m.

Hence, after 10 seconds speed will be 21 m/s and distance will be 110 m.

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During this process, the electric field gets stronger.

Because of the assumption that the distance between the plates is small in comparison to the area of the plates, the electric field in parallel plates is uniform and roughly constant. Due to the interaction of the fields produced by the two plates, the field is roughly zero outside of the plates.

The capacitor's two oppositely charged plates are separated by an electric field that is constant throughout, with the exception of the plate edges. The electric field does not change because the space between the plates is smaller than their combined surface area.

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The product of a force and the perpendicular distance from the force's line of action to the axis of rotation is known as Torque.

Torque or moment of the force is the term used to describe a force's ability to turn.

The moment arm is the length that separates the line of action perpendicular to the axis of rotation. Torque is a mathematical combination of force F and moment arm L. Torque is equal to F times L. The moment arm affects torque. The torque will create more of an increase the longer the moment arm.

The line of action of a force is the path it travels when exerting its power.

The moment arm of the force is the length that separates the force's path of action from its axis of rotation perpendicularly.

The newton meter is the torque SI unit (Nm). A force of 1 N operating perpendicular to the moment arm's length of 1 m produces a torque of 1 N m.

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Solution: given that; velocity (v)=60km/hr, distance (d)=500km, time (t)=? From velocity=distance/time....... :. 60=500/t, cross-multiply..... 60t=500, divide both sides by 60...... 60t/60=500/60, t=500/60, t=8.33~. Therefore the bus took 8hours, 33 minutes to cover the distance of 500km.

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Copernicus adopted the heliocentric view because it better explained the movements of the heavens mathematically.


Copernicus' heliocentrism could eliminate Ptolemy's epicycles because retrograde motion could be seen as the result of a combination of Earth and planetary motions and velocities.

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The wavelength of ultraviolet radiation that has an energy of 1.99*10^-20 kj/photon  is 3.00 x 1016 sec-1.

Frequency = speed of light divided by wavelength

wavelength times the speed of light to calculate frequency.

F = c/ = (1.00 x 10^-8 m) / (3.00 x 108 m/s) = 3.00 x 1016 sec-1

When calculating light energy, we require the following two equations:

E = hv, where h = Planck's constant (see below), v = frequency in Hz, and E = energy of a photon of light.

c =, where = wavelength in m, = frequency in Hz, and c = speed of light (3x108 m/sec).

When these two equations are rearranged, we obtain

We will apply the equation E = hc/ to resolve the current issue.

h = 6.626 x 10 – 34 Jsec

c = 3 x 10 ^8 m/s

λ = 1.00 * 10^^7 m

E = (1.00x10-8 m)/(6.626x10-34 Jsec)(3x108 m/sec)

E = 1.99x10-20 kJ/photon x 1 kJ/103 J, or 1.99x10-20 J/photon per photon.

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The number of electrons transported is 8.1 x 10²² electrons.

The variety of electrons in a neutral atom is identical to the number of protons. The mass wide variety of the atom is the same as the sum of the range of protons and neutrons inside the nucleus. The number of neutrons is equal to the difference between the mass number of the atom and the atomic wide variety. The reduction half-response includes a -electron gain.

The LCM is consequently 6. The net equation is a six-electron transfer. The wide variety of electrons in an atom is identical to the atomic quantity of an element for neutrally charged species. this means the number of electrons and the number of protons in an element are identical. consequently, the variety of electrons in oxygen is 8. Ionic bonds are shaped among or extra atoms by using the switch of one or extra electrons among atoms.

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Answer:

Mercury

Venus

Earth

Mars

Jupiter

Saturn

Uranus

Neptune

and then drawf planets

The wide wood pores that link to the tree's roots allow sap to be drawn up into the maple tree when it starts to freeze. The tree is really replenishing itself with fluids at this time from its roots.

As long as the temperature is below freezing and the sap is increasing, the process continues.

Water is drawn up from the roots to the top of the plant according to the cohesion-tension hypothesis of sap ascent. Water and minerals travel upward from the roots through the xylem due to a negative water potential gradient created by the evaporation of mesophyll cells in the leaves.

The water potential gets increasingly negative as you climb the tree, and these variations provide a pull or tension that causes the water to ascend the tree. The loss of water from the leaves through a process called transpiration is a crucial element in the draw of water up the tree.

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To find out the kinetic friction, using the coefficient friction formula.

What is kinetic friction?

A force that acts between moving surfaces is called "kinetic friction." A force acting in opposition to the direction of a moving body on the surface is felt. The two materials' kinetic friction coefficients will determine how much force is applied.

What is coefficient friction?

A measure of the degree of friction between two surfaces is the coefficient of friction. A coefficient of friction is determined by calculating the resistance to motion at the intersection of two surfaces made of the same or different materials.

UK

U-coefficient of friction

K-Kinetic friction

Using UK

450+370-f=m*o

f=820=UK*260*9.8

UK=2.548

820/2.548

UK= 321.8210361

Therefore the coefficient of kinetic friction is 321.8210361

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