3 years ago

(ii) Describe how the acceleration of the train at time t = 100 s differs from the acceleration

1 answer:

7 0

Explanation:

Acceleration is the rate of change of velocity with time. When acceleration increases a body moves a faster velocity.

A vehicle at time 100s will have a faster velocity compared to one at t = 20s

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hoa [83]

Answer:

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 15 × 3

We have the final answer as

Hope this helps you

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Kay [80]

the correct answer is ---- 122

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kvasek [131]

By Newton's second law, we have

$F=ma$

So, in order to give a 0.15kg body an acceleration of 40m/s^2, you need a force of

$F=0.15\cdot 40 = 6N$

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3 years ago