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A toy Ferris Wheel undergoes an angular acceleration such that the angular speed goes from zero to 2.89 rad/s in 1.33 s. Assume that the Ferris Wheel is a circular disk with radius 0.29 m and mass 6.7 kg. What is the magnitude of the net torque on the Wheel in N x m?
Modern wind turbines are larger than they appear, and despite their apparently lazy motion, the speed of the blades tips can be quite high-many times higher than the wind speed. At the tip of a blade, what is the centripetal acceleration
A series circuit contains a 120.0-ohm resistor, a 0.520-H inductor, a 0.450- µF capacitor, and a time-varying source of emf providing 45.5 V. What is the resonant angular frequency of the circuit
A car traveling at 25.0m/s runs out of gas while traveling up a 22.0 degree slope. How far up the hill will it coast before starting to roll back down
A snowboarder hits end of jump at speed of 14.0 m/s. The boarder is traveling at 13.) mi/s at highest point of jump. Determine height at highest point in air
A 1.24 kilogram block is held against a spring of force constant 0.8 x 10^4 N/m, compressing it a distance of 0.16 meter. Evaluate how fast is the block moving after it is released
The work function for Tin is 4.42 eV. Ultraviolet light with \lambda =50 nm is shone upon a Tin electrode
a spherical non-conducting shell of inner radius r1 10 cm and outer radius r2 15 cm carries a total charge q 15 oc
A rocket for use in deep space is to be capable of boosting a total load (payload plus the rocket frame and engine) of 3.15 metric tons to a speed of 10 000 m/s. How much fuel plus oxidizer is required
a woman on a bridge 96.0 m high sees a raft floating at a constant speed on the river below. she drops a stone from
a carnot engine operates between a high temperature reservoir at 435 k and a river with water at 280 k. if it absorbs
Styrofoam has a density of 150 kg/m3. What is the maximum mass that can hang without sinking from a 50-cm diameter Styrofoam sphere in water
The resistance of a very fine aluminum wire with a 17?m x 17?m square cross section is 1200 ? . A 1200 ? resistor is made by wrapping this wire in a spiral around a 3.9-mm-diameter glass core
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