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To stretch a certain spring by 2.20 from its equilibrium position requires 7.00 of work. What is the force constant of this spring?
A girl kicks a ball from ground level. The initial velocity of the ball has an x component of 17 m/s and a y component of 10 m/s. What is the highest elevation reached by the ball
A 2.2hp electric motor on a water well pumps water from 14m below the surface. How many liters of water does the motor pump in 2.0hr
A small package rests on the horizontal dashboard of a car. If ?s = 0.302, what is the minimum acceleration of the car
A satellite has a mass of 5939 kg and is in a circular orbit 4.94 × 105 m above the surface of a planet. The period of the orbit is 2.3 hours. What would be the true weight of the satellite
Find out the critical angle theta_ce for e-waves in calcite. The index of refraction for light with electric field parallel to the optical axis (called extraordinary waves or e-waves) is 1.4864. The index of refraction for light with electric fiel..
The magnitude of the electric field due to a disk of radius 3 m and a uniformly distributed positive charge is measured to be 150 N/C at a location in the air 6 mm from the center of the disk, what is the magnitude of the electric field due to the ..
In 2.0 minutes, a ski lift raises 4 skiers at constant speed to a height of 170 m. The average mass of each skier is 65.00 kg. What is the average power provided by the tension in the cable pulling the lift.
As a 13,800 kg jet plane lands on an aircraft carrier, its tail hook snags a cable to slow it down. what was the plane's landing speed
On a horizontal frictionless surface, a small block with mass 0.200 kg has a collision with a block of mass 0.400 kg. What is the total kinetic energy of the two blocks after the collision (in joules)
A 67.3 ice skater moving to the right with the velocity of 2.52 throws a .151 snowball to the right with a velocity of 33.7 relative to the ground. What is velocity of the ice skater after throwing the snowball.
A racecar approaches the start/finish line of a race track with a speed of 100 m/s. A speaker (called the ground speaker) next to the start/finish line emits a tone of frequency 256 Hz (middle C on a piano). A second speaker on the racecar (called..
A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. What is the mass of the wheel
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