Question

The displacement of a body starting from rest and acceleration uniformly at a for is given by
.a) s=at
.b) s=at square
.c) s=1/2 at square
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Answer 1

Answer:

sorry I don't know the answer of your question.

Answer 2

Answer:

We know that S=ut+1/2 a*t^2

given that u=0, t=20s, a=5m/s^2

S=0*20+ (1/2)*5*(20)^2

S=1000m=1km