Physics, 21.03.2020 09:23 artursino

A popular swinging-balls apparatus consists of an aligned row of identical elastic balls that are suspended by strings so they barely touch each other. When two balls are lifted from one end and released, they strike the row and two balls pop out from the other end. If instead one ball popped out with twice the speed of the two, this would be a violation of conservation of

a. momentum.
b. energy.
c. both of these
d. none of these

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