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A 7.50-nC point charge is placed 1.80 meter from a 4.20-nC point charge.
(a) Determine the magnitude of the electric force that one particle exerts on the other.
(b) Determine is the force attractive or repulsive?
What is the terminal speed of a 5.6 kg spherical ball with a radius of 3.0 cm and a drag coefficient of 1.55? The density of the air through which the ball falls is 1.2 kg/m3
a cosmic ray particle travels directly over a soccer field from one goal line to the other at a speed of 0.522c. if the
How many protons hit the target. How much energy is delivered to the target each second if the protons each have a kinetic energy of 30 MeV and lose all of their energy in the target.
A long straight copper wire is statically charged with a chargedensity of −4.88 nC/m. At what radial distance from theaxis of the wire is the strength of the electric field equal to+7.76 N/C? Express your answer as a positivevalue.
The definition of power differs from the definition of work in that the former always involves...
The refractive indices of materials A and B have a ratio of nA/nB = 1.79. The speed of light in material A is 1.07 x 10^8 m/s. What is the speed of light in material B
A electric model train travels at 34.7 cm/s around a circular track of radius 1.61 m. Find the train's period of revolution
Olaf is standing on a sheet of ice that covers the football stadium parking lot in Buffalo, New York; there is negligible friction between his feet and the ice. what is his speed after the collision
A rocket is fired at a speed of 75.0 m/s from ground level, at an angle of 60.0 degrees above the horizontal. The rocket is fired toward the ground 11.0-m high wall, which is located 27.0 m away. By how much does the rocket clear the top of the wa..
A listener is standing in front of two speakers that are producing sound of the same frequency and amplitude, except that they are vibrating out of phase, find the frequency of the sound coming from the speakers
Benefits of networking - Discussion of network utilization between office and hospital mainframe
A pilot is flying a plane with a speed (with respect to air) at 220m/s in a region where the wind is blowing at a constant 30.0 m/s at 20.0 degree South of West. Obtain in what direction should she head the plane
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