If you placed a cylinder with a 0.25 m radius in the middle of a record player that spins at 4.7 rad/s, what is its angular mome
ntum? The cylinder has a mass of 2.0 kg.
1 answer:
Answer:
0.29 kg m² / s
Explanation:
Angular momentum is the product of moment of inertia and angular velocity.
L = I ω
For a solid cylinder, I = ½ m r².
L = ½ m r² ω
L = ½ (2.0 kg) (0.25 m)² (4.7 rad/s)
L = 0.29 kg m² / s
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