a)
The velocity in head on elastic collision is given by
v1 = (u1(m1 - m2) + 2m2u2) / m1 + m2
v1 = (5.10(0.500 - 0.800) + 2*0.800*0) / (0.500 + 0.800)
v1 = -1.18 m/s
b)
direction is towards west.
c)
speed of second object..
v2 = u2(m2 - m1) + 2m1u1 / (m1 + m2)
v2 = 0*(0.800 - 0.500) + 2*0.500*5.1 / (0.500 + 0.800)
v2 = 3.92 m/s
d)
direction of second object will be towards east.
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