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a projectile is launched from the ground and sails across an open field at launch its total mechanical energy is 100 j
the upper end of the string wrapped around the cylinder below is held by a hand that is accelerated upward so that the
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
mechanical advantage the pulley system shown in the figure is used to lift a 52- crate note that one chain connects the
a certain parallel-plate capacitor is filled with a dielectric for which 70 the area of each plate is 0041 m2 and the
jim paddles a canoe across a river that is 20 meters wide in 20 minutes uopon reaching the other side he realizes that
explain why the theorem of relativity predicts that no massive particle can be accelerated unto or beyond the speed of
a ramp inclined at 600 degrees with respect to the horizontal rests on a floor the mass of the ramp is 10kg and the
a satellite has a mass of 5950 kg and is in a circular orbit 460 105 m above the surface of a planet the period of the
two large parallel conducting plates are 97 cm apart and have charges of equal magnitude and opposite sign on their
a satellite is in a circular orbit about the earth me 598 1024 kg the period of the satellite is 240 104 s what is the
at each point on the surface of the cube shown in fig 23-27 the electric field is parallel to the z axis the length of