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Problem: An artificial satellite is in a circular orbit around a planet of radius r = 2.05 × 103 km at a distance d = 380.0 km from the planet\'s surface. The period of revolution of the satellite around the planet is T = 2.15 hours.
Part A: What is the average density of the planet?
Please show all work and steps to determine the average density of the planet.
A wire has a resistance of 22.9 ohm. It's melted down, and from the same volume of metal a new wire is made that is four times longer than the original wire. Find what is the resistance of the new wire
Starting from rest, a basketball rolls from the top of a hill to the bottom, reaching a translational speed of 2.36 m/s. What is the height of the hill
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300 J of work are done to compress the gas as, in the same process, 1200 J of heat energy are transferred from the gas to the environment. Afterward, what is the rms speed of the molecules.
question dan is gliding on his skateboard at 3.0 ms. he suddenly jumps backward off the skateboard kicking the
A skater of mass 74.5 kg initially moves in a straight line at a speed of 4.80 m/s. what is the skater's final velocity
How many drops of water are in all the oceans on earth. Assume that 1cm^3 contains 25 drops of water.
Thunderclouds typically develop voltage differences of about 1×108 V. Given that an electric field of 3×106 V/m is needed to produce an electrical spark within a volume of air, estimate the length of a thundercloud lightning bolt.
How many molecules are in a volume of 1 m3 at a pressure of 2 atmospheres at a temperature of 0oC? How many moles is this? Does it matter what type of molecules these are (as long as they are gaseous at 0oC)?
A 18.3- cm focal-length lens is used to project 35- mm slidesonto a screen 4.17 m from the projector lens. What must be thewidth of the screen ( m) if the image of the slide is to just fillthe screen? The width of the image on the slide is 34.3 mm.
a 2800 kg space vehicle initially at rest falls vertically from a height of 3000 km above the earths surface.determine
An electric motor develops 65 kilowatts of power as it lifts a loaded elevator 17.5 m in 35 s. How much force does the motor exert?
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