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a hockey puck leaves a player's stick with a speed of 9.9m/s and slides 32.0 m before coming to rest. Find the coefficient of friction between the puck and the ice.
A race car starts from rest on the circular track of radius 455m. The car's speed increases at the constant rate of 0.480m/s2. At the point where magnitudes of the centripetal and tangential accelerations are equal.
A satellite with a mass of 250 kg moves in a circular orbit 7.00 multiply.gif 107 m above the Earth's surface. What is the gravitational force on the satellite
an alpha particle has a charge of 2.00e. how much work is required to move this particle across a potential difference of 2270 volts?
A long straight wire suspended in the air carries a conventional current of 8.2 amperes in the ?x direction, What is the (vector) magnetic field due to the wire at the location of the electron
Meanwhile, Isaac is piloting his ship in the westward direction, also at 0.89, toward Albert's ship. With what speed does Isaac see Albert's light beam pass his ship.
A particle lives for a short time before breaking apart into other particles. According to this hypothetical person, how far does the laboratory move before the particle breaks apart
A woman on a bridge 86.8 m above a stream sees a bottle floating along at a constant speed. Calculate the speed of the bottle
An object is recovered from under the sea. Its weight is measured to be 32.5 lb and its volume 3.3 ft3. What is the object's weight density
A woman with a mass of 55.0kg is standing on the rim of a large disk that is rotating at an angular velocity of 0.470rev/s, Calculate the magnitude of the total angular momentum of the woman-plus-disk system
At this point, person doing the laundry opens the lid, and a safety switch turns off the washer. The tub smoothly slows to rest in 11-s. Through how many revolutions does the tub turn while it is in motion.
A baseball (m = 145 g) approaches a bat horizontally at a speed of 40.5 m/s (91 mi/h) and is hit straight back at a speed of 45.9 m/s, what is the average force exerted on the ball by the bat
A 1200-kg station wagon is moving along a straight highway at 12.0 m/s. Another car, with mass 1800 kg, Find the total momentum of the system
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