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A satellite moves in a circular orbit around Earth at a speed of4567 m/s.
(a) Determine the satellite's altitude abovethe surface of Earth.
m
(b) Determine the period of the satellite's orbit.
h
A 20.0 kg dog is running northward at 2.00 m/s, while a 5.00 kg cat is running eastward at 2.64 m/s. calculate the direction and magnitude of the owner's velocity
A 10.8 kg object oscillates at the end of a vertical spring that has a spring constant of 2.05 104 N/m. By what percentage does the amplitude of the oscillation decrease in each cycle
A hunter aims directly at a target ( on the same level ) 75 maway. If the bullet leaves the gun at a speed of 180 m/s, by how much will it miss the target? ( ask for distance)
A point charge with charge q1 = 2.00?C is held stationary at the origin, How much work W is done by the electric force on the moving point charge
Assume too that the bullets rebound straight back with no change in speed. What is the magnitude of the average force on Superman's chest from stream of bullets.
Suppose the horizontal velocity of the wind against a sail is 5.5 m/s parallel to its front surface and 3.3 m/s along its back surface. Calculate the approximate force on a square meter of sail in N
A beam of hydrogen molecules (H2) is directed toward awall, at an angle of 50° with thenormal to the wall. What is the beam's pressure on the wall
A projectile is fired with an initial speed of 65.2 m/s at an angle of 34.5 degrees above the horizontal on a long flat firing range. determine the maximum height reached by the projectile
10 kg of water at 20 degrees c converted to ice at -10 degrees c by being put in contact with a reservoir at -10
A series RCL circuit contains a 48.0-? resistor, a 2.70-?F capacitor, and a 3.75-mH inductor. When the frequency is 2590 Hz, what is the power factor of the circuit
The leg and cast weigh 220 N, with the center of mass as indicated by the blue arrow in the diagram. The counterbalance w1 weighs 135 N. find the weight w2 and the angle α needed so that no force is exerted on the hip joint by the leg plus cast.
Imagine a very heavy cube of pure gold that is 1.23 m on a side. Approximate the atoms in this cube as little cubes, How far would the line stretch
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