a)
velocity of tennis ball
v1 = ( m1 - m2) u1 / ( m1 + m2) + 2 m2 u2 / ( m1 + m2)
v1 = ( 0.06 - 0.08)* 5.8 / ( 0.06 + 0.08) + 2* 0.08* 3 / ( 0.06 + 0.08)
v1 = 2.6 m/s
velocity of ball
v2 = ( m2 - m1) u2 / ( m1 + m2) + 2 m1 u1/ ( m1 + m2)
v2 = ( 0.08 - 0.06) *3 / ( 0.08 + 0.06) + 2*0.06* 5.8 / (0.08 + 0.06)
v2 = 5.4 m/s
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b)
direction : option (a) is correct..
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Comment before rate in case any doubt, will reply for sure.. goodluck
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