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During a walk on the Moon, an astronaunt accidentally drops his camara over a 20.0m cliff. It leaves his hands with zero speed, and after 2.0s it has attained a velocity of 3.3 m/s downward. How far has the camera fallen after 4.0 s?
Calculate the period of a satellite orbiting the Moon, 130km above the Moon's surface. Ignore effects of the Earth
Two solenoids of radii 2 cm and 5 cm are coaxial. They are each 25 cm long and have 380 and 960 turns, respectively. Find their mutual inductance in mH
150 g of ice at -10.5 oC is raised to the melting point and then raised to 76.0 oC. How much heat is added to the system
Light of wavelength 0.533 µm (in air) enters the water in a swimming pool. What is the wavelength of the light in water
The first car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 10m/s, What were the original speeds of the two cars
If an astronaut dropped a small rock near the surface of Neptune, how far (in m) would the rock fall in 1.5 s
In the Bohr model of the hydrogen atom, an electron moves in a circular path around a proton. Find the force acting on the electron as it revolves in a circular orbit of radius 5.34 10-11 m
The nuclear reaction that powers the sun is the fusion of four protons into a helium nucleus. How much energy is released in each fusion
A 1.2 kg coffee cup is accelerated at 3.0 m/s^2 in the direction shown, over a frictionless horizontal surface. Find the magnitude and direction (with respect to the positive x axis) of the third force, F3
Two organ pipes, open at one end but closed at the other, are each 1.08m long. One is now lengthened by 1.20cm. Find the frequency of the beat
Light from a helium-neon laser (lamda=633nm) is incident on a single slit. What is the largest slit width
It requires 5,650 Joules (J) of energy to lift a mass 15 feet into the air, what is the weight of that mass in units of Newtons
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