A 15 kg uniform disk of radius R- 0.25 m has a string wrapped around it, and a m- 3.5 kg weight is hanging on the string. The system of the weight and disk is released from rest. 1) When the 3.5 kg weight is moving with a speed of 1.7 m/s, what is the kinetic energy of the entire system? K.E.- Submit 2) If the system started from rest, how far has the weight fallen? fall m Submit 3) What is the angular acceleration at this point? rad/s Submit

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Chapter10: Fixed-axis Rotation
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A 15 kg uniform disk of radius R- 0.25 m has a string wrapped around it, and a m- 3.5 kg weight is hanging on the
string. The system of the weight and disk is released from rest.
1) When the 3.5 kg weight is moving with a speed of 1.7 m/s, what is the kinetic energy of the entire system?
K.E.-
Submit
2) If the system started from rest, how far has the weight fallen?
fall
m Submit
3) What is the angular acceleration at this point?
rad/s Ssubmit
Transcribed Image Text:A 15 kg uniform disk of radius R- 0.25 m has a string wrapped around it, and a m- 3.5 kg weight is hanging on the string. The system of the weight and disk is released from rest. 1) When the 3.5 kg weight is moving with a speed of 1.7 m/s, what is the kinetic energy of the entire system? K.E.- Submit 2) If the system started from rest, how far has the weight fallen? fall m Submit 3) What is the angular acceleration at this point? rad/s Ssubmit
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