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A charge of 2.13E-9 C is located at the origin, and a charge of 3.78E-9 C is located at x = 1.77 meter. Obtain the position at which a third charge of 2.88E-9 C can be located therefore that the net electrostatic force on it is zero?
Two ice skaters, with masses of 50.0kg and 85.0kg , are at the center of a 40.0m -diameter circular rink. The skaters push off against each other and glide to opposite edges of the rink.If the heavier skater reaches the edge in 40.0s , how long does ..
The space shuttle is in a 250km -high circular orbit. It needs to reach a 700km -high circular orbit to catch the Hubble Space Telescope for repairs. How much energy is required to boost it to the new orbit
1.50-kg object attached to a spring moves without friction (b = 0) and is driven by an external force given by the expression F = 5.60sin(2?t), FIND THE AMPLITUDE OF THE MOTION
A 0.25 kg harmonic oscillator has a total oscillation energy of 9.9 J. If the oscillation amplitude is 20.0 cm, what is the oscillation frequency
In February 1955, a paratrooper fell 370 m from an airplane withoutbeing able to open his chute but happened to land in snow, find the magnitude of the impulse on him from the snow
catapult fires an 800-kg rock with an initial velocity of 100 msat a 40deg angle from ground. what is the magnitude of
A 28.0-mH inductor has a reactance of 2.30 kΩ. What is the frequency of the ac current that passes through the inductor?
A clean zirconium surface is illuminated by ultraviolet light. What is the work function (in electron-volts) of the metal
A 3.0-kg 14-cm-radius cylinder, initially at rest, is free to rotate about the axis of the cylinder. A rope of negligible mass is wrapped around it and pulled with a force of 18 N.
The membrane of the axon of a nerve cell is a thin cylindrical shell of radius r = 10-5 m, length L = 0.42 m, and thickness d = 10-8 m. Find the electric field through the membrane
A construction company is trying to select a concrete brand for laying down a foundation. Which brand of concrete can withstand the higher stress level
The 2.45kg physics book shown is connected by a string to a 537.0g coffee cup. What is the acceleration of the book if the slope is inclined at 22.5deg
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