v0 = initial vel of sphere
v1 = vel of sphere after colln
v2 = vel of block after colln
from fbd
2Jcos
= mv1 - (-mv0) therefore
J = m(v1 + v0 ) .....................1
Jsin = mv2 ..........2
subst 1 in 2 we get
2mv2 / root 3 = mv1 + mv0 .....................3
now e = - v2sin - v1cos / -v0cos on solving ev0 - root3v2 = v1 ...................4
subst 4 in 3 and solving we get
v2 = v0m( 1 + e )root3/2M + 3m
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Moderation Team
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