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A playground merry-go-round of radius R = 1.20 m has a moment of inertia I = 260 kg · m2 and is rotating at 8.0 rev/min about a frictionless vertical axle. Facing the axle, a 27.0-kg child hops onto the merry-go-round and manages to sit down on the edge. What is the new angular speed of the merry-go-round?
A 55.0-kg ice skater is moving at 4.07 m/s when she grabs the loose end of a rope, the opposite end of which is tied to a pole. find the force exerted by the horizontal rope on her arms
1. - discuss the transient and steady states of a dc circuits response to a step input.2. -what components must be
A bicycle wheel is rotating at 45 when the cyclist begins to pedal harder, giving the wheel a constant angular acceleration of 0.42.
A wire of diameter 0.850 mm and length 50.0 m has a measured resistance of 2.80 ?. What is the resistivity of the wire
A particle of mass m is in an infinite square well of width L. determine the allowed energies for the system
A storage tank 30 m high is filled with gasoline. Calculate the force that acts on a square access hatch at the bottom of the tank that measures 0.5m by 0.5m
A bicycle wheel of radius 0.4 m is spinning at a rate of 65 revolutions per minute. find the centripetal acceleration of a point on the edge of the wheel
An outboard motor propels a boat through the water at 13 mi/h. How much power is produced by the motor
An object falls off of a pier into the ocean (salt water) where it displaces a total volume of 2.2 cubic meters of sea water
A spherical concave lens has a focal length of 20cm, and an object is placed 15cm from the lens. estimate of the image distance and give image characteristics
A particle of charge q = e moves in a circle of radius = 0.52 m with speed v = 1.550×107 m/s. find the maximum torque exerted on the loop by a uniform magnetic field of magnitude B = 0.50 T
An ac generator has a frequency of 6.5 kHz and a voltage of 35 V. When an inductor is connected between the terminals of this generator, What is the inductance of the inductor
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