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h
Initial
A 4.7 kg ball is at the top of a 2.1 meter ramp. What is
the potential energy of this system?
U = 96.72
Kr
प्र
= 4.16
unit J
The ball has a moment of inertia of 1 = 0.17 kg*m². By
the time it reaches the bottom, it is spinning at 7 rad/s.
What is its rotational kaetic energy?
O.
Final
unit J
Assuming no energy loss to friction, what should the
linear speed of the ball be?
V = 1.33
X unit m/s

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