A steel ball of mass m = 50 g falls from the height h=1.0 m on th
horizontal surface of a massive slab. Find the cumulative momentun
that the ball imparts to the slab after numerous bounces, if ever
impact decreases the velocity of the ball n = 1.25 times.
Answers
Work, Energy and Power
Collisions in Two Dimensions
A steel ball of mass m = 50...
PHYSICS
A steel ball of mass m=50g falls from the height h=1.0m on the horizontal surface of a massive slab. Find the cumulative momentum that the ball imparts to the slab after numerous bounces (in gm/s ), if every impact decreases the velocity of the ball η=1.25 times.
Impulseimpartedafter2ndcollisionism
η
u
(1+
η
1
)
Impulseimpartedafteri
th
collisionism
η
i−1
u
(1+
η
1
)
totalImpulseimparted=mu(1+
η
1
)(1+
η
1
+
η
2
1
+....)
=mu(1+
η
1
)
η−1
η
=.05×
2×10
×(1+
5
4
)(
5/4−1
5/4
)
=2.01
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