Questions
A machine gun has a mass 5kg. It fires 50 gram bullets at the rate of 30 bullets per minute at a speed of the force required to keep the gun in position is…….
detailed solution
Correct option is A
Force required =change in momentumtime taken = n mvt =(50×10−3×30)×40060=10NTalk to our academic expert!
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A block of mass kg rests on a horizontal frictionless xy-plane. What would be the acceleration of the block if it is subjected to two forces as shown in figure?
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