Problem 5www.mTest of Strengthm₂.A game consists of compressing a spring (constant k) with ablock of mass m as far as possible and then releasing. Af-ter releasing, the mass collides elastically with another blockof mass 2m which is attached to a string with length R asshown. (a) What speed does the block with mass m2 needimmediately after the collision so that it completes a full cir-cle? (b) What minimum force do you need to compress thespring with, such that the second block makes it around thecircle?

This is a question regarding the conservation of energy, and rotational motion.

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