A spring is compressed between two objects with unequal masses
PHYSICS · Single correct · CBSE · Physics · Laws of Motion · Laws of Motion
Problem
4. A spring is compressed between two objects with unequal masses, m and M , and held together. The objects are initially at rest on a horizontal frictionless surface. When released, which of the following is true?
(A) The total final kinetic energy is zero.
(B) The two objects have equal kinetic energy.
(C) The speed of one object is equal to the speed of the other.
(D) The total final momentum of the two objects is zero.