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A 2150 kg satellite is in a circular orbit 780 km (780 x 103 m) above the surface of the earth.
a) What is the gravitational force on the satellite due to the earth?b) What is the speed of the satellite in its orbit?c) What is the period of the orbit?d) If an identical satellite were launched from Earth to go outside the solar system, what would its escape speed have to be?
A white billiard ball with mass mw = 1.52 kg is moving directly to the right with a speed of v = 3.22 m/s and collides elastically with a black billiard ball with the same mass mb = 1.52 kg that is initially at rest. What is the final speed of the..
A boy on board a cruise ship drops a 30.0 g marble into the ocean. If the resistive force proportionality constant is 0.500 kg/s, what is the terminal speed of the marble in m/s?
A 20 kg satellite has a circular orbit with a period of 2.8 h and a radius of 7.9 106 m around a planet of unknown mass. what is the radius of the planet
The sport with the fastest moving ball is jai alai, where measured speeds have reached 303km/h. If a professional jai alai player faces a ball at that speed and involuntarily blinks, he blacks out the scene for 100ms. How far does ball move throughou..
A large parallel plate capacitor has plate separation of 0.90 cm and plate area of 361 cm2. How much work is done on the capacitor as the plate separation is increased to 1.80 cm
A 50 kg ballet dancer stands on her toes during a performance with four square inches (26.0 cm2) in contact with the floor. What is the pressure exerted by the floor over the area of contact (a) if the dancer is stationary and (b) if dancer is lea..
The motion of an object is described by the equation x = (1.9 m) cos(?t/3.5), What is the frequency of the motion
The trainer releases the ball at the horizontal distance of 4.72m away and the vertical distance of 4.61m above the water. At what height does the dolphin catch the ball
a child operating a radio-controlled model car on a dock accidentally steers it off the edge. the cars displacement 0.9
A charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 12.0 cm, giving it a charge of -15.0 microC. find the electric field: (a) just inside the paint layer, b) just outside the paint layer and c) 5..
A 2.0 m pendulum is released from rest when the support string is at an angle of 25 degrees with the vertical. What is the speed of the pendulum bob at the bottom of the string
a toy is launched upward with a spring.its launch speed is 114msupwardand it is under no power once launched.while
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