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A steel washer is suspended inside an empty shipping crate from a light string attached to the top of the crate. The crate slides down a long ramp that is inclined at an angle of 31^\circ above the horizontal. The crate has mass 210 {\rm kg}. You are sitting inside the crate (with a flashlight); your mass is 57 {\rm kg}. As the crate is sliding down the ramp, you find the washer is at rest with respect to the crate when the string makes an angle of 57^\circ with the top of the crate.
What is the coefficient of kinetic friction between the ramp and the crate?
A thin, flat washer is a disk with an outer diameter of 14 cm and a hole in the center with a diameter of 3 cm. What is the electric field on the axis of the washer
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we all sound like great singers in the shower due to standing waves. assume that your shower is 2.50m about 8.22 ft
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An air-track glider attached to a spring oscillates between the 10 cm mark and the 60 cm mark on the track. The glider completes 10 oscillations in 48 s. What is the maximum speed of the glider
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two long parallel wires are separated by 3.37 cm and carry currents 1.25 a and 3.43 a. find the magnitude of the
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