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95. We choose our positive direction in the direction of the rebound (so the ball’s initial
velocity is negativevalued
G
v
i
=−
52
.m
s
).
(a) The speed of the ball right after the collision is
()
2
1
1
2
2
2
2
3.7m s.
2
f
i
i
i
f
K
K
mv
v
v
mm
m
==
=
=
≈
(b) With
m
= 0.15 kg, the impulsemomentum theorem (Eq. 931) yields
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.
 Spring '08
 Any
 Physics

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