Asked by abhijith vs
A bullet strike uniform plant with a velocity 400m/s snd comes out with half of that velocity. What should be the velocity of the out coming bullet.If the plant were half thick?
Answers
Answered by
hussain
thickness=s
acceleration of the bullet inside plank=-a
200^2-400^2=-2as
as=60000 units
v^2-400^2=2*a*s/2
v^2=160000-60000
=100000 units
v=100root10 m/s
acceleration of the bullet inside plank=-a
200^2-400^2=-2as
as=60000 units
v^2-400^2=2*a*s/2
v^2=160000-60000
=100000 units
v=100root10 m/s
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