An object of mass m moving at speed v₀ strikes an object of mass 2m which had been at rest.The first object bounces backward along its initial path at speed v₀.Is this collision elastic, and if not, what is the change in kinetic energy of the system? A)The collision is elastic. B)The kinetic energy decreases by mv². C)The kinetic energy decreases by mv². D)The kinetic energy increases by mv².

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The Answer of An object of mass m moving at speed v₀ strikes an object of mass 2m which had been at rest.The first object bounces backward along its initial path at speed v₀.Is this collision elastic, and if not, what is the change in kinetic energy of the system? A)The collision is elastic. B)The kinetic energy decreases by mv². C)The kinetic energy decreases by mv². D)The kinetic energy increases by mv².

An Object of Mass M Moving at Speed V0 Strikes

An Object of Mass M Moving at Speed V₀ Strikes