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Home Q & A Board Science-Related Homework Help High School Level Science
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fudger fudger
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5 years ago
A popular swinging-balls apparatus (Newton's cradle) consists of a series of identical elastic balls suspended by strings so they barely touch each other. When two balls are pulled away from one end and released, they strike the row of balls and two balls pop out from the other end. If instead, one ball popped out with twice the speed, this would violate the conservation of
A) momentum.
B) energy.
C) both of these
D) none of the above
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wrote...
#1
5 years ago
 B
fudger Author
wrote...
#2
5 years ago
Makes more sense now, have a good weekend!
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