about acceleration

Asked by  | 27th Aug, 2012, 09:43: PM

Expert Answer:

 
final vel=0
initial vel=20 m/s
putting the given values in third equation of motion:
0=20 x20-2 a x 50
a=4 m/s2

Answered by  | 28th Aug, 2012, 10:19: AM

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