In Figure 10-20, blocks A and B have linear momenta with directions as shown and

Question

In Figure 10-20, blocks A and B have linear momenta with directions as shown and with magnitudes of 9 kg m/s and 4 kg m/s, respectively. (a) What is the direction of motion of the center of mass of the two-block system over the frictionless floor? right or left? (b) If the blocks stick together during their collision, in what direction do they move? right or left ? .(c) If, instead, block A ends up moving to the left, is the magnitude of its momentum then smaller than, more than, or the same as that of block B? smaller than that of block B more than that of block B same as that of block B

Explanation / Answer

a) To the right. Because block A has a higher momenta. b) To the right. Because mass * velocity is higher for block A. c) It is smaller than block B

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