Question

describe the motion of a body which is accelerating a constant rate of 10 m per second square if the body starts from rest ,how much distance will it cover in 2 second ?

Answer 1

u = 0 m/s
a = 10m/s²
t = 2 seconds
s = ut + 1/2at²
= 0×2 + 1/2×10×(2)²
= 5×4
= 20 m

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Answer 2

a=10m/s^2, u=0(rest) , t=2sec

s=ut + 1/2at^2
s= 0×2+ 1/2 ×10× (2)^2
s= 0+1/2×10×4
s= 1/2×40
s= 20 m