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A 5.00 kg block rests on a horizontal plane. A force of 10.0 N applied horizontally causes the block to move horizontally at a constant velocity. What is the coefficient of kinetic friction between the block and the plane?
A 2.00-kg package is released on a 53.1° incline, L = 3.93 m from a long spring with force constant 120 N/m, What is the maximum compression of the spring
A converging lens with a focal length of 17.5 cm and a diverging lens are placed 25.5 cm apart, with the converging lens on the left, What is the focal length of the diverging lens
In an experiment, 210 g of aluminum(with a specific heat of 900 J/kgK) at 100°C ismixed with 56.0 g of water (4186J/kgK) at20°C, What is the entropy change of the aluminum-water system
A solid steel cylinder is standing (on one of its ends) vertically on the floor. The length of the cylinder is 3.5 m and its radius is 64 cm. What is the weight of the object
The windshield of a speeding car hits a hovering insect. Consider the time interval from just before the car hits the insect to just after the impact. Which of the following are right.
Washington D.C is roughly 3000 miles from San Francisco. When it is 8:00 a.m. in San Francisco, it is 11:00 a.m. in Washington D.C. Using this information, find the rotational speed of the surface of Earth
A high-voltage transmission line carries 500 A at 700 kV for a distance of 100 miles. what is the power loss due to resistive losses
A race car is making a U-turn at constant speed. The coefficient of friction between the tires and the track is ?s = 1.61. what is the maximum speed at which the car can turn without sliding
a metallic surface is illuminated with light of wavelength 400 nm if the work function for this metal is 2.487 eV what the velocity of the ejected electrons would be
A 7.3×10?4V/m electric field creates a 5.0×1017electrons/s current in a 2.0-mm-diameter aluminum wire. What is the mean time between collisions for electrons in this wire
A flea is able to jump straight up about 0.56 m. It has been said that if a flea were as big as a human, it would be able to jump over a 100-story building, How high would this "superflea" be able to jump
The muon is an unstable particle, with a mean lifetime of 2.5x10^-10 seconds. What is the minimum uncertainty in this particle's energy
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