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A point charge of -6.8 µC is at the origin.
(a) What is the electric potential due to this charge at (-2.0 m, 0)?
(b) What is the electric potential to this charge at (2.0 m, -2 m)?
A stunt man whose mass is 70 kg swings from the end of a 3.10 m long rope along the arc of a vertical circle. Assume that he starts from rest when the rope is horizontal; find the tensions in the rope that are necessary to make him follow his circ..
A 40kg child slides down a frictionless playground slide, starting from rest at a height of 2.2 m. He leaves the bottom of the slide moving horizontally at some velocity(v1). What is the distance the two roll to before stopping
Two astronauts, each having a mass of 79.0 kg, are connected by a 10.5 m rope of negligible mass. Calculate the rotational energy of the system
A hill that has a 41.8% grade is one that rises 41.8 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal
a rectangular loop of wire of length = 10cm, supporting a mass m = 1 gram, hangs vertically with one end in a uniform magnetic field B= 100 Gauss. What is the direction of the current
You are riding in an elevator that is traveling down .It travels at vo=6m/s downward. Then, over two seconds, it slows to a stop. What normal force does the person feel as the elevator decelerates? (Mp=75kg) What is the acceleration of the elevator? ..
Would a plucked guitar sting vibrate for a longer time or a shorter time if the instrument had no sounding board? explain.
A pilot must travel directly to a town 320 miles away in a direction 10 degrees east of south from her present position. Using vectors, what must be the plane's heading
four protons are placed at the corners of a square of side length a 1.0 angstrom. the square is in the x y quadrant of
At what distance from a 11W point source of electromagnetic waves is the magnetic field amplitude 0.90 µT
The voltage across a two terminal device is always 15.0 V. The maximum power the device can dissipate is 0.87 W - Determine the maximum current magnitude allowed by the device power rating.
A swimmer maintains a speed of 0.15 m/s relative to the water when he swims directly toward the opposite shore of a river. Calculate his velocity relative to an observer on shore
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