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Starting from rest at t = 0, a wheel undergoes a constant angular acceleration. When t = 1.5 second, the angular velocity of the wheel is 5.7 rad/s. The acceleration continues until t = 21 second, when it abruptly ceases. Find through what angle does the wheel rotate in the interval t = 0 to t = 37 sec?
Two small 5.17-kg masses are joined by a string, which can be assumed to be massless. The string has a tangle in it, What is the angular velocity of the masses after the string untangles
Robin is standing terrified at the end of a diving board, which is high above the water. what torque is Robin exerting on the board
Person A and Person B are both on Earth in the northern hemisphere. Person A is further north (i.e., at a higher latitude) than Person B. Considering only the rotational motion of the Earth on its axis
q1. the pulley system is used to lift a 52 kg crate. note that one chain connects the upper pulley to the ceiling and a
A solid brass (bulk modulus 6.7 x 10^10 N/m^2) sphere is subjected to a pressure of 1.0 x 10^5 Pa due to the earth's atmosphere. On Venus the pressure is 9.0 x 10^6 Pa. By what fraction change in radius/ initial radius does the radius sphere change w..
in reference framnbsps two protons each moving atnbsp0.59c approach each other head-on.a calculate the total kinetic
A 70 kg man (rad=0.25m) standing on a 10-kg disc (rad=0.4m) with his arms extended (rad=0.9m) holding a 15-kg weight in each hand. What is the rotational inertia of man with weights.
a proton and an alpha particle which has twice the charge and four times the mass of the proton are each accelerated
A ball is thrown at an initial velocity of 105 mph upward at a roof. The ball is thrown a distance of 100 ft from the building. The building is 525 ft tall. Will the ball reach the roof
A 71 kg skier encounters a dip in the snow's surface that has a circular cross section with a radius of curvature of 12 m. If the skier's speed at point A is 7.0m/s , what is the normal force exerted by the snow on the skier at point B? Ignore fricti..
What is first order diffraction angle of light
Consider two concentric thin wall steel tubes, the larger one closed at the bottom and the inner one open. What must be the relationship between the radii of the tubes
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