Work, Power and EnergyHard
Question
A frictionless steel ball of radius 2cm, moving on a horizontal plane with a velocity of 5cm/s, collides head-on with another stationary steel ball of radius 3cm. The velocities of two bodies after collision will respectively be (in cm/s) (e = 1) -
Options
A.2·7, 2·3
B.−2·7, 2·3
C.2·7, −2·3
D.−2·7, −2·3
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