Center of MassHard
Question
A bag of mass M hangs by a long thread and a bullet (mass m) comes horizontally with velocity v and gets caught in the bag. Then for the combined system (bag + bullet) :
Options
A.Momentum is mMv/(M + m)
B.KE is (1/2) Mv2
C.Momentum is mv
D.KE is m2v2/2(M + m)
More Center of Mass Questions
A uniform rope of linear mass density λ and length l is coiled on a smooth horizontal surface. One end is pulled up...A uniform rod of mass m and length 2l lies on smooth horizontal surface. A particle of same mass m is connected to strin...If the thrust force on a rocket which is ejecting gases with a relative velocity of 300 m/s, is 210 N. Then the rate of ...A hollow sphere of volume V is floating on water surface with half immersed in it. What should be the minimum volume of ...If a body looses half of its velocity on penetrating 3 cm in a wooden block, then how much will it penetrate more before...