calculate the contact of 100 kg object when exerts 2000pa pressure​

Answer:

This is an open circuit

Explanation:

An open circuit I believe

It needs to be closed for the bulb to be turned on

Answer:

D is the answer hope you it helps you

A 4.0-kg object moving at 3.0 m/s experiences a 16.0-Newton resistive force over a duration of 0.20 seconds. The impulse experienced by the object is 3.2 N·s. The correct answer is: b. 3.2 N·s

To calculate the impulse experienced by the object, we can use the formula for impulse:

Impulse (J) = Force (F) * Time (Δt)

Given:

Mass of the object (m) = 4.0 kg

Initial velocity (u) = 3.0 m/s

Resistive force (F) = 16.0 N

Duration (time) (Δt) = 0.20 seconds

First, we need to find the final velocity (v) of the object using the following equation of motion:

v = u + (F/m) * Δt

where:

u = initial velocity

F = force

m = mass

Δt = time

v = 3.0 m/s + (16.0 N / 4.0 kg) * 0.20 s

v = 3.0 m/s + 4.0 m/s

v = 7.0 m/s

Next, we calculate the impulse:

J = F * Δt

J = 16.0 N * 0.20 s

J = 3.2 N·s

Therefore, the correct answer is: b. 3.2 N·s

To know more about impulse, here

brainly.com/question/30466819

#SPJ2

a.

9.8 m/s^2

from brainly

josh207

Ambitious

17 answers

2.3K people

The answer is 9.8 ms^-2, because there is only one force acting on the object so the acceleration will be numerically equal to the gravitational field strength.

b.

gravity = 9.8 m/s^2

2.47 * 9.8 = 24.206 N

Answer:

KE = 250 kg/m/s

Explanation:

use the formula: KE = 1/2 m (v^2)

KE = 1/2 (5) (10^2)

KE = (2.5) (100)

KE = 250 kg/m/s

Answer:

convex mirror

Explanation:

A convex mirror or diverging mirror is a curved mirror in which the reflective surface bulges towards the light source. Convex mirrors reflect light outwards, therefore they are not used to focus light.

Known :

S = 205 m

t = 0.6 s

Solution :

Sound speed

v = S/t

v = (205 m)/(0.6 s)

v = 341.67 m/s

Air Temperature

v² = γRT

(341.67 m/s)² = (1.4)(286 m²/s²·K)(T)

T = 291.5 K

We have that for the Question "In the same year, the average finishing time for U.S. women was 4 hours and 41 minutes. What was the average female speed in miles per hour?" it can be said that

The average female speed in miles per hour

[tex]V_a=\frac{D}{4.683hours}[/tex]

From the question we are told

In the same year, the average finishing time for U.S. women was 4 hours and 41 minutes. What was the average female speed in miles per hour?

This is defined as the collective mean of different travel intervals

Generally the equation for Speed   is mathematically given as

V=\frac{Distance}{Time}

Therefore

For  4 hours and 41 minutes=4.683hours

This travels time was obtained over a  series of distance

Hence

Distance D

The average female speed in miles per hour

[tex]V_a=\frac{D}{4.683hours}[/tex]

For more information on speed visit

https://brainly.com/question/7359669

Answer: dust is right bc i took the test and got it right

Explanation:

Answer:

Exposing objects to beams of radiation is called irradiation

Answer:

Kinetic energy is 720 Joules

Explanation:

[tex]{ \rm{kinetic \: energy = \frac{1}{2} m {v}^{2} }}[/tex]

[tex]{ \tt{k.e = \frac{1}{2} \times 10 \times 12 {}^{2} }} \\ \\ { \tt{k.e = 720 \: joules}}[/tex]

Answer:

solution

here,

mass(m)=10kg

speed(v)=12m/s

now,

kinetic energy=1/2mv^2

                       =1/2 x 10 x (12)^2

                       =720J

Explanation:

In the given baseball the blue line represents gravity. Gravitational Force attracts the objects towards the center of the earth.

It is the force that attracts the objects towards the center of the earth. Every massive object has gravitational force but it is negligible for smaller objects.

Friction force works against the direction of the motion of the objects.  The Normal force is the reaction of the gravitational force hence it acts upwards.

Therefore, in the given baseball the blue line represents gravity.

Learn more about gravity:

https://brainly.com/question/24783651

Answer:

gravity

Explanation:

got it right

Answer:

Wave A and B have the same pitch, but Wave A is a quieter/softer sound. Wave A and B have the same pitch, but Wave B is a quieter/softer sound. Which sound wave shows the loudest sound?

Explanation:

i tried to help as quick as i could good luck

Answer:

below given.

Explanation:

1) linear/direct

2) Indirect

3) linear/direct

4)  quadratic

5) Inverse

6) linear/direct

7) Inverse / Indirect

8) Inverse / Indirect

Answer:

chemical composition

Explanation:

The spectral data not only provides information about the chemical composition of the objects in space, but also their type, surroundings, and the kind of motion they exhibit.

Natural targets typically receive both direct solar flux from the sun and scattered skylight, which can be used to determine the elements in a sample because they reflect light differently, to measure the distance and speed of galaxies

What is spectrocopy?

The study of how matter absorbs and emits light and other types of radiation is known as spectroscopy. In a manner similar to how a prism divides light into a rainbow of colors, it involves splitting light (or more accurately electromagnetic radiation) into its individual wavelengths (a spectrum).

Generally, under sunlight, field spectroscopy is a technique used to assess the reflectance characteristics of vegetation, soils, rocks, and water bodies in the natural environment. Measurement of light reflected off of natural environment objects is of interest to some disciplines.

Natural targets typically receive both direct solar flux from the sun and scattered skylight, which can be used to determine the elements in a sample because they reflect light differently, to measure the distance and speed of galaxies,

Thus, spectroscopy can provide information about the outer space

Learn more about spectroscopy from here

https://brainly.com/question/5402430

#SPJ2

Hope you could understand.

If you have any query, feel free to ask.

Answer:

  17 1/7 cm ≈ 17.1 cm in front of the mirror

Explanation:

You want the location of the image formed of an object placed 40.0 cm in front of a concave mirror with radius of curvature 24.0 cm. The object is 2.5 cm tall.

For a spherical concave mirror with radius of curvature r, the relationship between the distance from the mirror to the image (i) and the distance from the mirror to the object (o) is ...

  2/r = 1/i +1/o

Solving for i, we get ...

  i = 1/(2/r -1/o) = 1/(2/24 -1/40) = 120/7 = 17 1/7 ≈ 17.1 . . . . cm

The image will be formed about 17.1 cm in front of the mirror.

__

Additional comment

The magnification is -i/o = (-120/7)/40 = -3/7. The image height is about -15/14 ≈ -1.07 cm. The minus sign means the image is inverted with respect to the object.

The actual formula uses 1/f where f is the focal length. The "small angle approximation" for a spherical mirror says f = r/2, so 1/f = 2/r.

The attachment shows calculation of the image height as well as its location.

<95141404393>

Answer:

4 is the answer

Explanation:

Answer:

The speed of molecules in an "ideal" gas is related to the temperature

Advanced work indicates that

1/2 m v^2 = 3/2 k T    where v^2 here is the mean square speed

This is true for H2, He, O2, Hg   etc. and m is the molecular mass and k the Boltzmann constant

The SI base units have the dimensions of: length, mass and time.

The SI base units are the internationally accepted system of units of fundamental quantities.

These SI base units consist of system of units of measurement starting with seven base units, which are as follows:

Learn more about SI base units

https://brainly.com/question/4950932

Answer:motor

Explanation:  the shaft in a motor is what rotates

An electric current causes a shaft in a motor to rotate.

The stream of positive charges which flow from the positive terminal to the negative terminal of the battery attached in a circuit.

An electric motor is the mechanical device which is used to transfer or move the water or fluid from the ground (zero potential energy) to the height (high potential energy).

Thus, An electric current causes a shaft in a motor to rotate.

Learn more about electric current.

https://brainly.com/question/2264542

#SPJ2

If an object moves, stops, changes speed, or even changes direction, then that condition represents the unbalanced force condition.

The unbalanced force is the magnitude of the net force that tends to cause the motion of objects.

It is nothing but the greater amount of force to be applied to the object to displace the object in either direction.

If an object is moving, stopping, changing the speed, or changing the direction, then such activities directly show that the object is changing its state of motion.

And the change in the motion is only caused when there is some magnitude of force associated with it.

When the magnitude of forces applied on an object such that one force is greater than another in a specific direction, then such forces are known as unbalanced forces.

Unbalanced forces cause motion, which means a body can move, stop or even can change its direction due to the unbalanced force.

Thus, we can conclude that if an object moves, stops, changes speed, or even changes direction, then that condition represents the unbalanced force condition.

Learn more about the forces here:

https://brainly.com/question/26115859

Answer:

5km 1 hour

Explanation:

The power require to keep the car traveling is 6,666 W.

The power of the engine at the given efficiency is 3,999.6 W.

This the product of force and velocity of the given object.

The power require to keep the car traveling is calculated as follows;

P = Fv

[tex]P = 300\ N \ \times \ \frac{80 \ kmh^{-1}}{3.6 \ km h^{-1}/m/s} \\\\ P = 300 \ N \times 22.22 \ m/s\\\\ P = 6,666 \ W[/tex]

The power of the engine at the given efficiency is calculated as follows;

[tex]E = \frac{P_{out}}{P _{in}} \times 100\%\\\\ 60\% = \frac{P_{out}}{6,666} \times 100\%\\\\ 0.6 = \frac{P_{out}}{6,666} \\\\ P_{out} = 3,999.6 \ W[/tex]

Learn more about efficiency here: https://brainly.com/question/15418098

Answer:

30 M/S

Explanation:

25×120×÷100 = 30 M/S

Sorry if the answer wrong

i try mu best to help u

tq

Hey there ;),

Given:

Density of mercury=13600 kgm^-3

Lets find the atmospheric pressure at sea level in Pascal.

To find atm pressure, apply formula-

Pressure = h×p×g

where height = 0.76 m, p as 13600 kgm^-3 and acceleration due to gravity as 9.8 m/s²

Finding Atm,

Pressure = 0.76×13600×9.8

→ Pressure = 101292.8

→ Pressure = 101293

Therefore, atmospheric pressure is 101293 Pa

Answered by Benjemin