Questions
A body of mass 0.25 kg is projected with muzzle velocity 100 from a tank of mass 100 kg. What
is the recoil velocity of the tank?
a
5 ms-1
b
25 ms-1
c
0.5 ms-1
d
0.25 ms-1
detailed solution
Correct option is D
Using law of conservation of momentum, we get100×v=0.25×100⇒v=0.25 ms-1Talk to our academic expert!
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In the figure given the position-time graph of a particle of mass 0.1 kg is shown. The impulse at t = 2 s is :
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