Center of MassHard
Question
A block moving in air explodes in two parts then just after explosion (neglect change in momentum duet to gravity)
Options
A.the total momentum of two parts must be same to the momentum of the block before explosion.
B.the total kinetic energy of two parts must be same as that of block before explosion.
C.the total momentum must change
D.the total kinetic energy must increase
More Center of Mass Questions
A ball of mass 50 gm is dropped from a height h = 10 m. It rebounds losing 75 percent of its kinetic energy. If it remai...In the above question the maximum power delivered by the agent in pulling up the rope is...A particle of mass ′m′ and velocity ′′ collides oblique elastically with a stationary particle o...A thick uniform wire is bent into the shape of the letter “U” as shown. Which point indicates the location of the center...A solid iron ball A of radius r collides head on with another stationary solid iron ball B of radius 2r. The ratio of th...