Question

if the car starts from rest and moves with an acceleration of 5m/s^2 in 30 sec . calculate the final velocity of the car .


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Answer 1

Answer:

$0 + \frac{1}{2} \times 5 \times {8}^{2}$

$= 160m$

The velocity attained in 8 seconds is given by

v=u+at

=0+5×8=40 m/s.

The distance traveled in the next 4 seconds is

s

2

=40×4=160 m.

So, the total distance traveled by the car is

$160 + 160 = 320$

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Answer 2

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