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Question

What is the acceleration of a van that starts from rest and attains a velocity of 20 m/s in 25 seconds?


A

2 m/s2

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B

0.8 m/s2

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C

7.5 m/s2

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D

4 m/s2

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Solution

The correct option is B

0.8 m/s2


Given Velocity = 20m/s

Time taken = 25s

v=u+at

Here,

u=0, v=20m/s, t=25s

20=0+a×25

a=2025 m/s2

=0.8 m/s2


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