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Two people wish to push a big beer freezer weighing 2000 N up a ramp inclined at an angle of 37.0o with the horizontal. The coefficient of kinetic friction between the freezer and the ramp is 0.500.
(a) What minimum force must the people exert to slide the freezer up the ramp?
(b) What acceleration will the freezer have if it is released and slides down the ramp?
(c) If it slides 4.00 m down the ramp and strikes a heavy object, coming to rest in 0.500 m, what average force does it exert on the heavy object?
How much work is done by the outside force in moving the particle from A to B?
Suppose you have a 9.00 V battery, a 2 ?F capacitor, and a 7.25 ?F capacitor. Find the charge if the capacitors are connected to the batt
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A telephoto lens consists of a converging front lens of focal length f1 and diverging back lens of focal length f2 separated by a distance d, Compute the effective focal length of the lens system
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A very long solenoid of circular cross section with radius R = 5.30 cm has n = 69.0 turns/cm. An electron is sitting just outside the solenoid, at a distance r = 5.80 cm from the solenoid axis. What is the magnitude of the force on the electron as..
An AC voltage of the form ?v = 100 sin 1 000t, where ?v is in volts and t is in seconds, is applied to a series RLC circuit. Find the average power delivered to the circuit
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