A 7.0 kg solid ball, radius 10 cm, is rolling at 10 m/s. For a solid...
A 7.0 kg solid ball, radius 10 cm, is rolling at 10 m/s. For a solid ball the moment of inertia I=2MR2/5.
1. Calculate the ball's angular velocity in rad/s (show calculations)
A. 100 B. 70 C.350 D.140 E.490
2. Calculate the balls linear momentum and angular momentum in kgs/s and kgm2/s, respectively (show calculations)
A. 350 & 140 B. 140 & 350 C. 70 & 2.8 D. 2.8 & 70
3. Calculate the ball's translational rotational and total kinetic energy in J.(show calculations)
A. 2.8, 70, & 72.8
B. 350, 140, & 490
C. 140, 350, & 490
D. 70, 2.8, & 72.8
Homework Answers
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