Answers

2015-10-17T17:59:20+05:30
M=20 g
u=75 m/s
v=0
x=5 cm=5/100 m

v²=u²+2as
0=75²+2*a*0.05
5625+0.1 a=0
a= -5625/0.1= -56025

f=ma= 0.02*-56025=-1120.5

0