Question

Question A disc (mass \( m=2 \mathrm{~kg} \), radius \( r=0.4 \mathrm{~m} \) ) roles without slipping down ramp that is 3 m along and inclined at \( 30^{\circ} \). Find: (a) The angular acceleration (b) The time it takes to reach the bottom (8) (c) The final angular velocity Solution

          Question
A disc (mass \( m=2 \mathrm{~kg} \), radius \( r=0.4 \mathrm{~m} \) ) roles without slipping down ramp that is 3 m along and inclined at \( 30^{\circ} \). Find:
(a) The angular acceleration
(b) The time it takes to reach the bottom (8)
(c) The final angular velocity

Solution

Question
A disc (mass m=2 kg, radius r=0.4 m ) roles without slipping down ramp that is 3 m along and inclined at 30^∘. Find:
(a) The angular acceleration
(b) The time it takes to reach the bottom (8)
(c) The final angular velocity

Solution

Added by John D.

College Physics

Raymond A. Serway, Jerry S. Faughn,… 8th Edition

Chapter 8

Instant Answer

Solved by Expert Ivan Kochetkov

Step 1

- The gravitational force acting down the ramp: \( F = mg \sin \theta \) - The frictional force provides the torque for rotation. Show more…

Show all steps

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Question A disc (mass \( m=2 \mathrm{~kg} \), radius \( r=0.4 \mathrm{~m} \) ) roles without slipping down ramp that is 3 m along and inclined at \( 30^{\circ} \). Find: (a) The angular acceleration (b) The time it takes to reach the bottom (8) (c) The final angular velocity Solution