Question

the body travels from rest to an accleration of 5m/s². what is the velocity and displacement of body after 4 seconds​

Answer 1

Explanation:

a=5m/s²

u=0(as it is starting from rest)

t=4 seconds

v=u+at

v=0+5*4

v=20m/s

s=ut+1/2at²

s=0*4+1/2*5*4²

s=1/2*80

s=40m

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