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The angular velocity of a car engine increases from 600rv/min to 1500 rev/min in 6sec,then the angular acceleration is |
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Answer» 600rv/min=10rev/sec=2π*10rad/s=20π 1500rev/min=25rev/sec=2π*25rad/s=50π w2-w1= at 50π-20π=a6 a = 5πrad/sec |
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