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A satellite is in a ciecular orbit 21000 km above the Earth's surface; it moves on a circular path nder the influence of nothing but the Earth's gravity.
Find the speed of the satellite. The radius of the Earth is 6.37m, and the acceleration of gravity at the satellite's altitude is 0.532655m/s square. Answer in units of km/s.
Find the time it takes to complete one orbit around the Earth. Answer in units of s.
What is the electric potential energy of the system. A man strikes a long aluminum rod at one end. Another man, at the other end with his ear close to the rod, hears the sound of blow twice (once through the air and once through the rod), with a 26..
Compute the Brewster’s angle and angle of refraction.
A thin sheet of transparent material is surrounded by air. The sheet has an index of refraction of 1.47, Calculate the wavelength of the light in the material
A cell membrane is composed of lipid molecules and approximately 10.48 nm thick. If the dielectric constant of the lipid is k = 5, what is the approximate capacitance of a spherical cell that has a diameter of 10.48 mu m?
A parallel- plate capacitor has plates of area .035 m^2 with a separation of 2.0 mm. The space between the plates is filled with a dielectric with k=4.5, What is maximum energy can be stored in the capacitor
Using Lorentz Law: You are given a charge moving between two parallel plates. Find the current (I) of a loop given a straight wire
Unpolarized light passes through two Polaroid sheets. The transmission axis of the analyzer makes an angle of 20.8° with the axis of the polarizer
A certain kind of glass has an index of refraction of 1.655 for blue light of wavelength 430 nm and an index of 1.62 for red light of wavelength 680 nm. A beam containing these two colors is incident at an angle of 42.22 degrees on a piece of this g..
A rock is thrown vertically upward with a speed of 15.0m/s from the roof of a building that is 70.0m above the ground. What is the speed of the rock just before it strikes the ground
A drug prepared for a patient is tagged with 9943Tc, which has a half-life of 6.05 h. What is the decay constant of this isotope
A 27.00 kg block is pushed up a frictionless inclined plane that makes an angle of ? = 23 o with the horizontal direction. What force is needed to move the block
A 20-N horizontal force pushes an object along a rough floor so that the object moves with a constant velocity of 7.0 m/s
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