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A communications satellite with a mass of 325 kilogram is in a circular orbit about the Earth. The radius of the orbit is 39,900 kilometer as measured from the center of the Earth. Find the weight of the satellite on the surface of the Earth? Find the gravitational force exerted on the satellite by the Earth when it is in orbit?
A 7 g bullet collides horizonally with a 43 g block resting on a frictionless horizontal surface as shown in the accompany diagram. The bullet remain embedded in the block and subsequently causes the block to slide down a frictionless slope onto a..
An ideal gas is at a temperature of 30 degrees C, find the number of particles per unit volume of the gas
a 280 kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. the ramp is inclined
A lead ball is dropped into a lake from the diving board 30 m above the water. After entering the water, it sinks to the bottom with the constant velocity equal to velocity with which it hit the water. The ball reaches the bottom 10 s after it is ..
Two infinite positively charged plates with a uniform chargedensity of 6.80 mC/m2 are placedparallel to the yz-plane with one plane passing through x = 0.65cm and the other through x = -0.65 cm, as shownin the diagram below
Oppositely charged parallel plates are separated by 4.31 mm. A potential difference of 600 V exists between the plates. (a) What is the magnitude of the electric field between the plates
Ignoring friction and air resistance, find the maximum height H to which she rises above the end of the track.
The blood flow speed through an aorta with a radius of 1.00 cm is 0.365 m/s, If aorta constricts to a radius of 0.800 cm, how much does blood flow speed increase
A beam of particles is directed at a 0.0178 kg tumor. There are 1.56×1010 particles per second reaching the tumor, Calculate the biologically equivalent dose (in rem) given to the tumor in 26.8 s.
Calculate the kinetic energies of two uniform solid cylinders, each rotating about its central axis. They have the same mass, 2.75 kg
A 80-kg driver can decrease his rotation rate in a flip from an initial rate of 3.0rev/s to a final rate of 1 rev in 2 sec by straightening his body. find his final moment of inertia, then find his initial moment of inertia
The photograph shows an electron beam whose initial direction of motion is horizontal, from right to left. A magnetic field deflects the beam downward. What is the direction of the magnetic field?
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