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A 194-kg satellite is in circular orbit around the Earth and moving at a speed of 5.14 km/s. How much work must be done to move the satellite into another circular orbit that is twice as high above the surface of the Earth?
A straight wire in a magnetic field experiences a force of 0.030 N when the current in the wire is 2.7 A. What is the new current
A small current loop of area A=0.0008m2 and moment of inertia I=6.9e-07kgm2 carries a current i=0.0039A with its magnetic moment perpendicular to the Earth's magnetic field. What is the magnitude of the net torque T on the loop
A ball of mass 15.49 kg rests on a table of height 0.72 m. The tabletop is a rectangular glass plate of mass 12.13 kg, what is the force that the tabletop exerts on each leg
Write at least one paragraph in which you define diffraction and interference, discuss Huygens' Principle and explain why light passing through a narrow slit
A major league pitcher of mass 100kg is standing on a skateboard of mass 2.00kg, holding a baseball, What is the speed of the skateboard
a block of wood of mass m1= 1 kg slides to the right on a frictionless horizontal table with a speed of 30 m/s. how much is the spring compressed by the wood
An electromagnetic wave with a frequency of 7.20×10^14Hz propagates with a speed of 2.30×10^8m/s in a certain piece of glass. Find the dielectric constant for glass at this frequency
Light of wavelength 500 nm is incident on a thin sheet of plastic film (n= 1.50) in air. What is the thinnest the sheet can be
If a disk rotating at 500 rpm couples to a stationary disk with five times the moment of inertia, what is the angular speed of the combination
Two particles with masses 4m and 3m are moving toward each other along the x axis with the same initial speeds vi. Find the final speeds of the particles
A rocket is fired at a speed of 75.0 m/s from ground level, at an angle of 60.0 degrees above the horizontal. The rocket is fired toward the ground 11.0-m high wall, which is located 27.0 m away. By how much does the rocket clear the top of the wa..
two objects are identical and small enough that their sizes can be ignored relative to the distance between them which
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