Question

A racing car initially at rest starts moving with a uniform acceleration of 4 m/s2

. How far it

would have travelled 10 s after the start? How much velocity will it attain in this time?​

Answer 1

Explanation in the attachment

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Answer 2

Answer:

We know the formulas:

v=u+at

s=ut+½at²

Now

u=0

v=¿

a=4m/s²

t=10 s

s=¿

Distance travelled after 10 s

=> s= (0×10) + ½×4×(10)²= 200 metres

Velocity in this time=>

v=u+at = 0+(4×10)= 40m/s²