Question

A car start from rest and acquire a velocity of 54 km/h in 2 sec. Find(i) the acceleration(ii) distance travelled by car assume motion of car is uniform?

Answer 1

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Answer 2

Answer:

Explanation:

for acceleration

a= v -u/t

a= 54 -0/2

2

a= 27 m/s

for distance

s = ut + 1/2 at×t

s= 0 × 2 + 1/2 × 27×2×2

s= 0 + 1/2 × 108

s = 2+1/2 × 108

s= 3/2 × 108

s= 162 m