a mechanic strikes a nail with hammer moving with a velocity of 20 m /so. the hammer comes to rest in 0.02 seconds after striking the nail.
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what we have to find if accelaration then the answer is
v=o
u=20
t=0.02
=2/10
v=u+at
0= 20+a*2/10
20= a*2/10
20*10/2=a
100=a
100m/s^2
v=o
u=20
t=0.02
=2/10
v=u+at
0= 20+a*2/10
20= a*2/10
20*10/2=a
100=a
100m/s^2
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