Two objects, one of mass m and the other of mass 2 m, are dropped from the top o

Question

Two objects, one of mass m and the other of mass 2 m, are dropped from the top of a building. When they hit the ground: a) both will have the same kinetic energy. b )the heavier one will have four times the kinetic energy of the lighter one. c) the heavier one will have one-fourth the kinetic energy of the lighter one. d) the heavier one will have twice the kinetic energy of the lighter one. e) the heavier one will have half the kinetic energy of the lighter one. I"m not sure but I think that both would have the same kinetic energy.

Explanation / Answer

d) the heavier one will have twice the kinetic energy of the lighter one kinetic energy =1.5*m*v^2 kinetic energy is directly proportional to the mass of the body ,twice the mass twice is the kinetic energy.

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