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3 years ago

If I have a mass of 50 kg that has an acceleration of 10 m/s/s, what is the Force?

Physics

1 answer:

Eddi Din [679]3 years ago

4 0

Answer:

To solve this problem first we need to find out the “ Acceleration=a”. We know that,

a=(v-u)÷t

or, a={(80–10) m/s}÷(14 s)

so, a=5 m/s^2

[ here, v=80 m/s, u=10 m/s, t=14 s, a=Acceleration]

Now,

we know that “Force=mass×acceleration”

or,Force=(50×5) N

so, Force=250 N.

So, the applied force on that object is “250 N”.

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Which is the correct reasoning for why a gamma ray telescope located in Antarctica that is to be used to look for evidence of bl

steposvetlana [31]

Answer:

Well, the options are not given in the questions. But the correct option is:

"Gamma rays do not completely penetrate earth atmosphere."

Explanation:

Most of the gamma rays coming from the stars and sun can not penetrate the earth's atmosphere because atmosphere is as thick to the gamma rays as a 12 foot thick plate of aluminium. They rather absorb in the atmosphere and knock out electrons by reacting with the atoms and produce ions and electrons. These secondary ions and electrons then came to earth during rain fall. Due to this reason gamma ray telescope was not get funded for the study of black holes.

6 0

4 years ago

Read 2 more answers

If a spacecraft that seems to be motionless is deep space is given some type of quick push, what will happen?

Sergio [31]

According to the first Newton Law of Motion (sometimes called Law of Inertia):

An object at rest or describing a uniform straight line motion (moving at constant velocity), will remain at rest or moving unless an external force is applied to it and changes its state of rest or motion.

In other words:

An object or body will keep its state of motion until an external force changes its state

This means that objects tend to remain in its state of motion, and is the definition of the inertia, as well.

Now, going back to the spacecraft in deep space of the question, if some force acts on it, the spacecraft will change its state and move in the same direction of the force applied.

It will also keep this path until another external force stops, accelerates or changes its direction.

Therefore, the right answer is C:

The spacecraft will move and will not stop until it is stopped by an equal and opposite force.

Options A, B and D are not correct because:

A) The spacecraft cannot stop by its own; this would break Newton’s Laws of Motion

B) In deep space there is not air resistance, is vacuum.

D) The spacecraft works in space

7 0

3 years ago

Read 2 more answers

You’ve made the hypothesis that the stepper the slope , the faster a ball will be rolling when it reaches the bottom .

BigorU [14]

Answer:

B) how steep the slope is

Explanation:

Because you have to know how is the influence of the steep of the slope in the time that a ball reaches the bottom. The steep of the slope is the variable that you would have to change in an experiment.

I hope this is useful for you

regards

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3 years ago

Assuming that 50% of the initial kinetic energy of the bullet is converted into thermal energy in the bullet and the specific he

DedPeter [7]

Answer:

$\Delta T=\frac{v_{i}^{2}}{4c}$

Explanation:

Let the mass of bullet is m, initial velocity of bullet is vi and c be the specific heat of the bullet.

Kinetic energy, K = 1/2 mvi^2

According to the question, 50% of the kinetic energy is equal to the heat energy absorbed by the bullet.

50% of K = mass of bullet x specific heat x rise in temperature

1/4 mvi^2 = m x c x ΔT

$\Delta T=\frac{v_{i}^{2}}{4c}$

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4 years ago

Which statement describes a possible limitation in an experiment design?.... Apex

blondinia [14]

A ITS RIGHT I GOT 100 ON MY UNIT TEST

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4 years ago