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A satellite moves in a circular orbit around Earth at a speed of 4439 m/s.
(a) Determine the satellite's altitude above the surface of Earth.
m
(b) Determine the period of the satellite's orbit.
h
Draw two diagrams for the situation where a moving train (with initial speed v0) collides elastically with a target train that is not intially moving, Show that the final velocity of each train will be:
What is the free-fall acceleration toward the sun at the distance of the earth's orbit? [The mean distance the earth is from the sun in its orbit is 1.50x10^11 m
An explorer in dense jungles of equatorial Africa leaves his hut. He takes 41 steps at an angle 45 north of east, then 81 steps at an angle 60 north of west, then 51 steps due south. Suppose his steps all have equal length. Save him from becoming ..
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The Hall effect can be used to determine the density of mobile electrons in a conductor, Find the density of mobile electrons in the material
After a day of testing race cars, you decide to take your own 1420 kg car onto the test track. While moving down the track at 10 m/s, you regularly accelerate to 32m/s in 10 s. What is the average net force that you have applied to car during the ..
A skier is accelerating down a 30 degree hill at 3.60 m/s^2. How long would it take her to reach the bottom of the hill, assume she starts from rest and accelerates uniformly, if elevation change is 170m.
an arrangement in which four disks are suspended by cords. The longer, top cord loops over a frictionless pulley, What are the masses of each disk
A pair of speakers separated by 0.7 m is driven by the same oscillator at a frequency of 674Hz. An observer, first positioned at one of the speakers, begins to walk along a line perpendicular to the line joining the speakers. (Assume the speed of ..
Write the Ampere's Law for a path that surrounds both conductors
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