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A 5.95kg object is thrown 17.10m/s at a 30 degree angle andcollides head on at its peak with a 14.5kg object fired at 27degrees which Is also at its peak. At what velocity was the 14.5kg object fired?
A 2500 kg satellite is to be launched and put in orbit at 750km above the surface of the earth. What gravitational force will the satellite experience? How fast is the Satellite traveling in orbit?
A body of mass 1.8 kg makes an elastic collision with another body at rest and continues to move in the original direction but with 1/7 of its original speed. What is the speed of the two-body center of mass
A 64 kg skier coasts up a snow-covered hill that makes an angle of 25° with the horizontal, What is the magnitude of the kinetic frictional force
Water is flowing in a pipe as depicted in the figure. As shown, p = 107 kPa, d = 4.61 cm, d' = 3.38 cm, v = 4.50 m/s, and h = 1.31 m. What pressure is indicated on the upper pressure gauge
A cannon fires up at an angle of 30 degrees above the horzontal with a muzzle velocity of 40 m/s. How far from the base of the wall dos the cannon ball travel
A vertical spring with a spring constant of 440 N/m is mounted on the floor. what height (in cm) above the compressed spring was the block dropped
An engine puts out 5 kW of power at an efficiency of 35.0%. If 8850 J of energy is expelled each cycle find the energy absorbed in each cycle
A swimmer runs horizontally off a diving board with a speed of 3.58 m/s and hits the water a horizontal distance of 1.79 m from the end of the board. How high above the water was diving board.
A thin film with index of refraction n = 1.29 is placed in one arm of a Michelson interferometer, perpendicular to the optical path. If this causes a shift of 8.0 bright fringes of the pattern produced by light of wavelength 693nm, what is the film t..
While a person is walking, his arms swing through approximately a 45.0 degree angle in 0.530 s. Find the force that the blood vessel must exert on the blood
A truck is traveling at 13.0 m/s down a hill when the brakes on all four wheels lock. The hill makes an angle of 15 ° with respect to the horizontal. The coefficient of kinetic friction between the tires and the road is 0.994. How far does the truck ..
Two teams of nine members each engage in a tug of war. The first team's members have average masses of 70 kg and exert average forces of 1350 N horizontally, What is the acceleration of the two teams
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