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To study in detail the surface of the moon, it is planned to put a geo-synchronous satellite in orbit about the moon. calculate the distance from the moons center that the satellite should be at so that it remains above the same point while the moon is turning.
* GIVEN : mass of moon = 7.35*10^22 kg and radius of moon = 1.74*10^6 m period of rotation of moon about its axis = 29.53 days
Two resistors, 50.0 ? and 52.0 ?, are connected in parallel. The current through the second resistor is 2.10 A. What is the total power supplied to the two resistors
Suppose the tension in a cord is 12.0 N. If the speed of a wave in the cord is 9.50 m/s, then what must be the linear mass density of the cord
Two capacitors are connected in parallel across the terminals of a battery. What is the voltage of the battery
On a warm day (86?F), an air-filled balloon occupies a volume of 0.250m3 and has a pressure of 18.0lb/in2, what is the volume of the air in the container
question a proton has 1836 times the rest mass of an electron. at what speed will an electron have the same momentum as
Four point charges have the same magnitude 2.2*10 -12 and arefixed to the corners of the square that is 4.3 cm on a side. Determine the magnitude of the electric field that exists at the center of the square
A 4.95-kg ball, moving to the right at a velocity of +1.60 m/s on a frictionless table, Find the final velocities of the balls if the collision meet the following conditions
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It collides with a 10,000 kg railway car resting at the bottom of the track with its brakes off. The two cars couple together and roll up the track to a height of h. find out h.
George Washington stands on the shore of the Delaware River. He sees the river flowing past him at a speed of 1.50 m/s, and a boat with soldiers moving straight across at right angle to the shore. The speed of the boat with respect to the water is..
The angle of incidence of a light beam in air onto a reflecting surface is continuously variable. What is the index of refraction of the reflecting material
A copper block with a mass of 400 grams is cooled to 77K by being immersed in liquid nitrogen. What is the mass of water in the cup, if the final temperature is -20.0°C
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