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Two point charges are on the y-axis. A 3.5 µC charge is located at y = 1.10 cm, and a -2.14 µC charge is located at y = -1.90 cm.
(a) Find the total electric potential at the origin.
(b) Find the total electric potential at the point having coordinates (1.50 cm, 0).
A glider of mass 0.155kg is moving to the right on a frictionless, horizontal air track with a speed of 0.760m/s. Find the magnitude of the final velocity of the 0.155kg glider
a 9.5-uC charge is at x = 15 cm, y = 5.0 cm and a -3.2-uC charge is at x = 4.4 cm, y = 11 cm. Find the force on the negative charge
A 68.0-kg person throws a 0.0500-kg snowball forward with a ground speed of 27.0 m/s. What are the velocities of the two people after the snowball is exchanged
Two converging lenses are separated by 23.20 cm. The focal length of each lens is 12.20 cm. Determine the final image distance relative to the lens on the right
A velocity selector has a magnetic field of magnitude 0.28 G perpendicular to an electric field of magnitude 0.43 kV/m. What energy must electrons have to pass through undeflected
A 45 kg girl is standing on a 130 kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless surface. The girl begins to walk along the plank at a constant velocity of 1.33 m/s relative to the plank.
An electron (mass=9.1*10^-31 kg) is bound in a finite 1D square well w/ a width of 1.0 nm and a depth of 0.30 eV. How many bound states are there? (Please provide steps and not just an answer).
It starts from rest at t = 0, and a line drawn from the center of the disk to a point P on the rim of the disk makes an angle of 57.3° with the positive x-axis at this time. Find out the angular speed of the wheel at t = 2.30 s.
Two thermal reservoirs ("hot", TH = 124°C and "cold", TC = 10.0°C) are put into thermal contact by a lead slab. Find the initial rate of heat conduction for each reservoir
A 57-kg water skier is being pulled by a nylon tow rope that is attached to a boat. The unstretched length of the rope is 11 m, What is the change in the length of the rope when the skier has an acceleration whose magnitude is 0.90 m/s2
A bar of lead (bar A) is in thermal contact with a bar of silver (bar B) of the same length and area, Find the temperature at the junction when the energy flow reaches a steady state
Suppose you are using total internal reflection to make an efficient corner reflector, what must be the minimum index of refraction of the material
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