Physics help angular velocity and inertia

AI Thread Summary
The discussion focuses on two physics homework questions involving angular velocity and moment of inertia. The first question requires calculating the angular velocity of a 20g weight attached to a 2.5m string when released at a 53.1-degree angle, specifically when angular acceleration is zero. The second question involves determining the moment of inertia for a uniform disc with a radius of 0.25m and a mass of 10kg, attached to a 5kg thread. Participants emphasize the use of relevant physics equations to solve these problems. Assistance is requested for both calculations.
Dawg
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Homework Statement


2 questions I really need help with
1) a 20g weight is attached to one free end of a 2.5m length of string, other end is attached to the ceiling. The weight is pulled to one side And released when the angle between the verticle and the string is 53.1 degrees. What is the angular velocity ofthe weight when the angular acceleration is zero

2) a uniform disc of radius 0.25m is attached to a thread of mass of 5kg. The disc has mass 10kg calculate the moment of inertia of the disc. Thanks very much any help greatly appreciated


Homework Equations





The Attempt at a Solution

 
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These both can easily be solved with the appropriate equations.
 

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