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p201f02-exam03

# p201f02-exam03 - Seat Your exam is form 1 Physics P201 D...

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1. A ventilation fan has a net torque of 4.2 N m applied to it. Its angular acceleration is 7.9 rad/ s 2 . What is its moment of inertia? a. 63 kg m 2 b. .53 kg m 2 c. .43 kg m 2 d. .33 kg m 2 e. .23 kg m 2 2 and 3. A bowling ball of mass 3.0 kg is attached to the end of a 6.0 m long bar which has a mass of 2.0 kg. The other end of the bar is hinged at the wall. A vertical string from the bowling ball to the ceiling supports the bar-ball system. 2. What is the tension in the string? a. 24.5 N b. 29.4 N c. 34.3 N d. 39.2 N e. 44.1 N

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p201f02-exam03 - Seat Your exam is form 1 Physics P201 D...

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