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1) The blades in a blender rotate at a rate of 6540 rpm. When the motor is turned off during operation, the blades slow to rest in 3.66 s. What is the angular acceleration as the blades slow down?

2) A grinding wheel 0.500 m in diameter rotates at 2024 rpm. Calculate its angular velocity in rad/s. . What are the linear speed and acceleration of a point on the edge of the grinding wheel. Enter linear speed first.

3) How fast (in rpm) must a centrifuge rotate if a particle 7.01 cm from the axis of rotation is to experience an acceleration of 84000g's?

4) An automobile engine slows down from 4580 rpm to 1140 rpm in 2.55 s. Calculate its angular acceleration, assumed constant. Calculate the total number of revolutions the engine makes in this time.

5) A wheel 30.7 cm in diameter accelerates uniformly from 246 rpm to 372 rpm in 6.02 s. How far will a point on the edge of the wheel have traveled in this time?

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