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A 653 kg satellite is in acircular orbit about the Earth at a height above the Earth equal tothe Earth's mean radius.
(a) Find the satellite's orbital speed.
m/s
(b) Find the period of its revolution.
h
(c) Find the gravitational force acting on it.
N
A blob of iron sinks form the surface of earth to the center. Assume the blob does not transfer any energy to its surroundings. Assume the density of earth is uniform.
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A 4 cm diameter loop with resistance 0.18 Omega surrounds a 2 cm diameter solenoid. The solenoid is 15 cm long, has 100 turns, and carries the current shown in the graph. A positive current is cw when seen from the left.
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Plane monochromatic waves with wavelength 520 nm are incident normally on a plane transmission grating having 350 slits/mm
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A physics lab demonstrates the principles of simple harmonic motion (SHM) by using a spring affixed to a horizontal support, calculate the spring constant
Assume that positive -axis is directed toward the direction of motion of cart 2.
A thin uniform rod (mass = 0.95 kg) swings about an axis that passes through one end of the rod and is perpendicular to the plane of the swing. What is the maximum kinetic energy of the rod as it swings
How much work did the movers do (horizontally) pushing a 150- crate 10.2 across a rough floor without acceleration, if an effective coefficient of friction was 0.50.
Baseball and the Washington Monument On August 25, 1894, What was the ball's direction of motion when caught in degrees below the horizontal
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