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a wheel free to rotate about its axis that is not frictionless is initially at rest a constant external torque of 59
assume that the reservoir is 200m deep held back by the dam wall a small horizontal pipe at the base of the dam
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as shown in the figure below a light string that does not stretch changes from horizontal to vertical as it passes over
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telescopes can be networked together to give an apparent aperature equal to their separation telescopes on either side
explain the physical processes by which astronomers are able to estimate the temperature of a gas by observing which
a projectile is launched from the ground and sails across an open field at launch its total mechanical energy is 100 j
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what is the smallest capacitor needed in a computer power supply in order to produce at least 355 v for 037 seconds
the index of refraction of gold is n 31 i288 at 560nm and n122 i547 at 992um find the normal incidence absorptivity
a racetrack has the shape of an inverted cone as the drawing shows on this surface the cars race in circles that are
suppose that the terminal speed of a particular sky diver is 165 kmh in the spread-eagle position and 305 kmh in the
a convex lens is made of crown glass with index of refraction n15296 at 4800 nm and n15203 at 6563 nm the radius of
in figure 5-66 a force f of magnitude 7 n is applied to a fedex box of mass m2 10 kg the force is directed up a plane
an electron moves in a force field due to a uniform electric fied eeij and a uniform magnetic field bbk take the
magnus has reached the finals of a strength competition in the first round he has to pull a city bus as far as he can
a planet of mass m 785 times 1024 kg is orbiting in a circular path a star of mass m 435 times 1029 kg the radius of
a certain parallel-plate capacitor is filled with a dielectric for which 65 the area of each plate is 0038 m2 and the
a 535 kg person takes a nap in a lightweight backyard hammock both ropes supporting the hammock are at an angle of
a cat dozes on a stationary merry-go-round at a radius of55m from the center of the ride then the operator turns on the
a train car with mass m1 5940 kg is moving to the right with a speed of v1 74 ms and collides with a second train car