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A 20 kg satellite has a circular orbit with a period of 2.3 h and a radius of 6.5 106 m around a planet of unknown mass. If the magnitude of the gravitational acceleration on the surface of the planet is 7.6 m/s2, what is the radius of the planet?
A 4.00 kg block slides down a frictionless inclined plane with an acceleration 3.00m/s2. What is the angle of the incline above horizontal
A 5.000-kg mass starts from rest and slides down an incline that is tilted 5 degrees above the horizontal. What is the acceleration of the mass down the plane
A very long non conducting cylinder of diameter 10.0 cm carries charge distributed uniformly over its surface. Each meter of length carries +5.50 C of charge. A proton is released from rest just outside the surface.
Neglect air resitance. Find rocket's kinetic energy when the rocket is 1000 km above Earth's surface. Illustrate what is the max heigh that the rocket reaches.
A charging cell phone battery requires a current of 1.60 A and power is dissipated in the battery at 7.52 W. Determine the current drawn from the wall by the charger
At full power, how long would it take for car to accelerate from 0 to 56 mph? Neglect friction and air resistance.
A 47 g golf ball is driven from the tee with an initial speed of 50.0 m/s and rises to a height of 24.8 m.
the current in a 30 meter wide river is 3 m/s towards the north. If you need to move straight across the river, how far downstream do you reach the shore
What is the average force exerted on the ball. How fast (in ) must a centrifuge rotate if a particle 6.50 from the axis of rotation is to experience an acceleration of 125,000 's.
A blue car with mass mc= 459 kg is moving east with a speed of vc= 20 m/s and collides with a purple truck with mass mt= 1246 kg that is moving south with a speed of vt= 10 m/s. find the magnitude of the initial momentum of the car
Some athletes can put out as much as 800 watts in short bursts. If you could sustain such energy output long enough to reach the top of a mountain, how much time would it take you to get there from the valley, 3000 meters below the peak? So how does ..
According to present theories of light, in some experiments light seems to be: 1)composed of particles which can neither be created nor destroyed. 2)a particle whose quantized energy depends on its velocity. 3)a wave that moves from one place to anot..
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