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A communications satellite of mass 100 kilogram is in a circular orbit of radius 4.22 x 107 meter around the Earth. The orbit is in the equatorial plane of the Earth and the satellite moves along it from west to east with a speed of 4.90 x 102 m/s. Find the magnitude and direction of the angular momentum of this satellite?
Explain how much work does the gravitational force do on the block as the block travels from point P to (a) point Q and (b) the top of the loop?
A pencil, 15.7 cm long, is released from a vertical position with the eraser end resting on a table. The eraser does not slip. Treat the pencil like a uniform rod. What is the angular speed of the pencil just before it hits the table?
The pressure dissimilarity between the 4.0-cm-wide input end of a Venturi tube and the 2.0-cm-wide narrow constriction is measured by the difference in level of a water column in a glass U-tube, and found to be 12.7 cm.
as you walk across a synthetic-fiber rug on a cold dry winter day you pick up an excess charge of -52 .part a how many
A television repairman needs a 100 ohm resistor to repair a malfunctioning set. He is temporarily out of resistors of this value. How can he obtain the desired resistance using the resistors he has on hand
Rank the magnitudes of the forces exerted on the following particles from largest to smallest. In your ranking, display any cases of equality. (Use only ">" or "=" symbols. Do not contain any parentheses around the letters or symbols.)
A pendulum has a period of 0.80s on Earth. What is its period on Mars, where an acceleration of gravity is about 0.37 that on Earth.
A cyclotron designed to accelerate protons has a magnetic field of magnitude 0.470 T over a region of radius 1.40 m. What is the maximum speed acquired by the protons
The length of the mercury column at the ice point and steam point are 5.0 cm and 40.0cm respectively. What is the temperature of the liquid
Consider a stellar atmosphere (consisting entirely of atoms with an absorption cross-section of s) where the number density, n, is NOT constant. Let n be linear with respect to depth:
A ball is thrown horizontally from the top of a 75 m building and lands 130 m from the base of the building, What is the vertical component of the velocity just before the ball hits the ground in m/s
A child, hunting for her favourite horse, is running on the ground around the edge of a stationary merry-go-round. The angular speed of the girl has a constant value of .250 rad/sec.
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