1. A 0.5 m radius solid-disk flywheel rotating with an angular velocity of 20 rad/s experiences a frictional torque which causes the 4.0 kg wheel to slow to a
stop over 5.0 seconds. What is the wheel’s angular acceleration?
b) What is the frictional torque on the flywheel?
c) What is the frictional force on the wheel?

hey , the answer is c

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find the sum of the two horizontal vectors and the sum of the two vertical vectors

isoceles right angled triangle