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A coin slides over a frictionless plane and across an xy coordinate system from the origin to a point with xy coordinates (3.0 m, 3.7 m) while a constant force acts on it. The force has magnitude 1.7 N and is directed at a counterclockwise angle of 100 degree from the positive direction of the x axis. How much work is done by the force on the coin during the displacement?
You pull downward with a force of 32 N} on a rope that passes over a disk-shaped pulley of mass 1.2 kg and radius 0.07 5m. Find the linear acceleration of the 0.61 kg mass.
A diver springs upward from a diving board. At the instant she contacts the water, her speed is 8.90 m/s, and her body is extended at 75.0 degrees with respect to the horizontal surface of the water. Determine her initial velocity
a person leaning over a 126 m deep well accidentally drops a siren emitting sound of frequency 2450 hz. Just before this siren hits the bottom of the well, What beat frequency does this person perceive
an electron and a proton are fixed at a separation distance of 847 nm. find the electric potentialat their midpoint
A ball is thrown toward a cliff of height h with a speed of 30m/s and an angle of 60? above horizontal, What was the maximum height of the ball
Block A has a mass of 2 kg and rests on a smooth table. What is the acceleration in m/s2 of the two blocks
During an earthquake, a house plant of mass 10.0 in a tall building oscillates with a horizontal amplitude of 12.0 at 0.30. What is the magnitude of the maximum velocity of the plant
A spring with constant k=30N/m is used to shoot a block (mass 1kg) across a frictional horizontal surface. what is the force of friction acting on the block
Integrated circuits are manufactured in vacuum chambers in which the air pressure is 9.00×10?11mm of Hg. What is the mean free path of a molecule
A soccer player kicks a ball from ground level with an initial velocity of 25 m/s at an angle of 30° above the horizontal. What angle does the velocity vector make with the horizontal
a 40 x 10^3 kg train is travelling at 8.3m/s when the engineer sees a sheep on the tracks. she throws the emergenxy brakes on. How long is it before the rain will come to a complete stop
An ac generator with a frequency of 1.14kHz and an rms voltage of 20.2V is connected in series with a 1.80killo ohm resistor and a 320mH inductor. What is the average power consumed by this circuit
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