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A 50,000 kilogram space shuttle is in a 500 kilometer high circular orbit about the earth and wants to descend into a 300 kilometer high orbit. Obtain how much total energy will it have to gain or lose to do this?
The threshold of dark-adapted (scotopic) vision is 6.0 x 10-11W/m2 at a central wavelength of 500 nm. how many photons per second enter the eye
A straight rod consists of a 1.2-cm-long piece of aluminum attached to a 2.0-cm-long piece of steel. By how much will the length of this rod change
an electron is traveling horizontally toward the north in a uniform magnetic field that is directed vertically
Illustrate the security threats that An industry will face when it implements a wireless network. Suppose that the industry occupies the six middle floors
Flight to Mars. To send a satellite from Earth to Mars, a rocket must accelerate the satellite until it is in the correct elliptical orbit around the sun. What is the semimajor axis of the satellite's orbit
A rectangular loop of wire 6cm wide and 10cm long is placed with its plane parallel to a magnetic field of 0.08T. What is the magnitude of the resultant torque on the loop if it carries a current of 14.0A?
A sinusoidal electromagnetic wave from a radio station passes perpendicularly through an open window that has area of 0.500m2. How much energy does this wave carry through the window
take a small perturbation to the keplerian potential. vr -vsub0r -deltavr4. calculate the phase shift over one orbit
1.5 pounds of water within a piston-cylinder assembly execute a Carnot power cycle. During isothermal expansion, the water is heated at 500 F from saturated liquid to saturated vapor. the vapor then expands adiabatically to a temperature of 100 F ..
A person pushes a 16.0 kg shopping cart at a constant velocity for a distance of 22.0 m. She pushes in a direction 26.0° below the horizontal. Determine the work done by the pushing force
A freshly prepared sample of a certain radioactive isotope has an activity of 10.0 mCi. After 4.50 h, the activity is 7.80 mCi. Find the decay constant and half-life of the isotope
A 100 kg quaterback is traveling 5 m/s and is stopped by atackler in 1 second, find the initial momentum ofthe quater back
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