Work, Power and EnergyHard
Question
Two solid balls of rubber A and B whose masses are 200 gm and 400 gm respectively, are moving in mutually opposite directions. If the velocity A is 0·3 m/s and both the balls come to rest after collision, then the velocity of ball B is -
Options
A. 0·15 m/s
B.− 0·15 m/s
C.1·5 m/s
D.None of the above
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