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A wheel has a constant angular acceleration (deceleration) of 5.0 rad/s^2. the wheel was initially moving at 15.0 rad./s
a) How many revolution will the wheel make in 4.0 s?
b) What is the angular speed of the wheel al t=4.0s?
c) How long (time) will it take the wheel to reach 50 rad/s?
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A girl with a mass of 40 kg is swinging from a rope with a length of 3.2 m. What is the frequency of her swinging
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A telephoto lens with focal length of 120mm has f-numbers ranging from f/2.8 to f/22, What is the diameter of the lens aperture at f/2.8? in millimeters
A 109-rad dose of radiation is administered to a cancer patient (mass = 73) kg). how much energy is absorbed
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