A solid sphere and a hollow sphere each of mass M and radius R are released at the same time from the top of an inclined plane. Which one of the following statements is necessarily true?
(A) Both spheres will reach the bottom at the same time.
(B) The hollow sphere will reach the bottom with the greater kinetic energy.
(C) The solid sphere will reach the bottom first.
(D) The hollow sphere will reach the bottom first.
(E) The solid sphere will reach the bottom with the greater kinetic energy.

Question

A solid sphere and a hollow sphere each of mass M and radius R are released at the same time from the top of an inclined plane. Which one of the following statements is necessarily true?
(A) Both spheres will reach the bottom at the same time.
(B) The hollow sphere will reach the bottom with the greater kinetic energy.
(C) The solid sphere will reach the bottom first.
(D) The hollow sphere will reach the bottom first.
(E) The solid sphere will reach the bottom with the greater kinetic energy.

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