Question

A car at rest accelerates uniformly to a speed of 144 km/h in 20s.How much distance is covered by the car?​

Answer 1

Answer:

A car at rest accelerates uniformly to a speed of 144 km/h in 20s.How much distance is covered by the car

Explanation:

So, car covers 400 meter.

Answer 2

Answer:

400m answer

(100% correct answer)

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Explanation:

Speed =144km/h=144∗5/18=4Om/s

apply

v=u+at

v=4Om/s

u=Om/s

a=?

t=20s

40=0+2O∗a

a=2m/s2

apply s=ut+at2/2

s=?

u=Om/s

a=2m/s2

t=20s

s=0+2∗202/2

s=4OOm

So, car covers 400 meter.