Question

A car accelerates from rest at 4 m/s2. What is the velocity of the car after 4 seconds? (Answer: 16 m/s)
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Answer 1

Answer:

Explanation:

V=u+at

Here u=0

So , v=at

V=4×4=16m/s

Answer 2

Answer:16

Explanation:

u=0

v=?

a=4

t=4

v=u+at

=0+4*4

16

Therefore velocity after 4s is 16m/s