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A Ferris wheel, rotating initially at an angular speed of 0.50 rad/s, accelerates over a 6.0-s interval at a rate of 0.040 rad/s2. What is its angular speed after this 6-s interval?
Two 1.50-V batteries—with their positive terminals in the same direction—are inserted in series into the barrel of a flashlight. One battery has an internal resistance of 0.250 ?, the other an internal resistance of 0.120 ?. When the switch is clo..
define the effect of inertia on how far each can rolls.
Some simple elemental superconductors (called type I) are perfect diamagnets, meaning that their internal magnetic field exactly cancels the applied field. What is the susceptibility of such superconductors
A small glass bead has been charged to +30.0nC. A metal ball bearing 1.30cm above the bead feels a 1.90×10?2N downward electric force. What is the charge on the ball bearing?
While at the county fair, you decide to ride the Ferris wheel. Having eaten too many candy apples and elephant ears, you find the motion somewhat unpleasant. What is the magnitude of your acceleration
Which of the following must be true if we are to infer (calculate) a star's luminosity directly from the inverse square law for light.
a satellite of a distant planet has a period of revolution around the planet of 3.89*10^5 seconds, determine the centripetal acceleration of the satellite
A fireman, 53.4 m away from a burning building, directs a stream jet of water from a ground level fire hose at an angle of 30 above the horizontal. at what height will the stream of water strike the building
A high-pass RC filter is connected to an AC source with a peak voltage of 10.9 V. The peak capacitor voltage is 5.1 V. What is the resistor voltage
A playground merry-go-round has radius 2.90m and moment of inertia 2500kg?m2 about a vertical axle through its center, and it turns with negligible friction. How much work did the child do on the merry-go-round
q1. in a photoelectric effect experiment 325 nm photons strike a cathode that has a work function equal to 1.25 ev.
a bathyshpere dives to a depth of 1000 m in the ocean. if the inside is maintained at one atmosphere, what is the net force acting on the round window
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