Billiard ball A and billiard ball B are each moving at speed & towards the other. After their perfectly elastic collision, ball B is found to be moving twice as fast as ball A. If ball A has a mass m, then what is the mass of ball B? A) ½ m B) 3 m c) ½ m D) 2m E) 5/7m

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Billiard ball A and billiard ball B are each
moving at speed & towards the other. After
their perfectly elastic collision, ball B is found
to be moving twice as fast as ball A. If
ball A has a mass m, then what is the
mass of ball B?
A) ½ m
B) 3 m
c) ½ m
D) 2m
E) 5/7m
Transcribed Image Text:Billiard ball A and billiard ball B are each moving at speed & towards the other. After their perfectly elastic collision, ball B is found to be moving twice as fast as ball A. If ball A has a mass m, then what is the mass of ball B? A) ½ m B) 3 m c) ½ m D) 2m E) 5/7m
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