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A 1432.0 g mass is on a horizontal surface with μk = 0.44, and is in contact with a massless spring with a force constant of 682.0 N/m which is compressed. When the spring is released, it does 13.64 J of work on the mass while returning to its equilibrium position. Calculate the distance the spring was compressed. What is the velocity of the mass as it loses contact with the spring?
What is magnitude of the Coulomb force
A space traveler weighs 750 N on earth. Illustrate what will the traveler weigh on another planet whose radius is three times that of the earth and whose mass is twice that of the earth.
The mass of the barge is 9000 kg, and its acceleration is 0.15 m/s2 down the canal. Illustrate what are the magnitude and the direction of the force on the barge from the water?
A sled weighing 1.0 X 10^2 N is held in place on a frictionless 20.0 degree slope by a rope attached to a stake at the top. The rope is parallel to the slope. What is the normal force of the slope acting on the sled.
A box of books weighing 397 N is shoved across the floor by a force of 543 N exerted downward at an angle of 37 degrees below the horizontal.
A curve of radius 35 m is banked for a design speed of 64 km/h. If the coefficient of static friction is 0.34 (wet pavement), at what range of speeds can a car safely make curve.
A 80 g, 33-{rm cm}-long rod hangs vertically on a frictionless, horizontal axle passing by its center. A 11 g ball of clay traveling horizontally at 2.5 m/s hits and sticks to the very bottom tip of the rod.
A 54 N crate is suspended from the left end of a plank. The plank weighs 21N, but it is not uniform, so its center of gravity does not lie halfway between the two ends. The system is balanced by a support that is 0.3m from the left end of the plan..
A calorimeter contains 2000 grams of water at 0oc. a jet of stream at 100oc is passed through the water. What is the temperature of the water when 100 grams of steam have condensed in it.
When an object is placed 15 cm in front of a thin lens, a virtual image is formed 5.0 cm away from the lens, Calculate the location of the final image
how to Calculate the acceleration of the system. Assume the magnitude of the acceleration is the same during starting and stopping.
At its Ames Research Center, NASA uses its large "20-G" centrifuge to test the effects of very large accelerations (hypergravity) on test pilots and astronauts. In this device, an arm 8.84m long rotates about one end in a horizontal plane, and the..
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