A 1.15 kg grinding wheel 20 cm in diameter is spinning clockwise at rate of 25 revolutions per second. When the power to the grinder is turned off. the grinding wheel slows with constant angular acceleration and takes 1.5 minutes to come to rest. What was the angular acceleration (in rad/sec) of grinding wheel as it comes to rest we take a counterciockwise rotation as positive? What was the inear acceleration (in m/sec) of grinding wheel as it comes to rest it we take a clockwise rotation as positive ? How many revolution did the wheel moke during the time it was coming to restz

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A 1.15 kg grinding wheel 20 cm in diameter is spinning clockwise at rate of 25 revolutions per second, When the power to the arinder is turned off, the grinding wheel slows with constant angular acceleration and takes 1.5 minutes
to come to rest.
What was the angular acceleration (In rad/sec) of grinding wheel as it comes to rest it we take a counterclockwise rotation as positive?
What was the linear acceleration (in m/sec) of grinding wheel as it comes to rest it we take a clockwise rotation as positive?
How many revolution did the wheel make during the time It was coming to res1?
Transcribed Image Text:A 1.15 kg grinding wheel 20 cm in diameter is spinning clockwise at rate of 25 revolutions per second, When the power to the arinder is turned off, the grinding wheel slows with constant angular acceleration and takes 1.5 minutes to come to rest. What was the angular acceleration (In rad/sec) of grinding wheel as it comes to rest it we take a counterclockwise rotation as positive? What was the linear acceleration (in m/sec) of grinding wheel as it comes to rest it we take a clockwise rotation as positive? How many revolution did the wheel make during the time It was coming to res1?
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