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Two point charges are on the y-axis. A 5.0 µC charge is located at y = 1.45 cm, and a -2.26 µC charge is located at y = -1.70 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 loudspeaker of mass 21.0 {rm kg} is suspended a distance of h = 2.40 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has the length of l = 3.90 {rm m}.
The radius of the inner pipe is 1.00m and it has a charge per unit length lamba=2.00 microC/m. The outer pipe has a radius of 2.00m and a charge per unit length of lamba=-1microC/m.
X-rays are used for analyzing molecular structure. What is the frequency (in Hz) of X-rays that have a wavelength of ? = 13.3 nm
A tungsten target is struck by electrons that have been accelerated from rest through a 76.1-kV potential difference. Find the shortest wavelength of the radiation emitted
What average force athletes legs apply on a ground
How far is he from the orgin. A simple pendulum has a mass of 0.350 kg and a length of 2.00 m. It is displaced through an angle of 7.0° and then free.
A football is punted straight up into the air; it hits the ground 5.2 s later. With what speed did it leave the kicker's foot
q. in a youngs interference experiment the two slits are separated by 0.17 mm and the incident light includes two
A Carnot engine has an efficiency of 0.861, and the temperature of its cold reservoir is 381 K. Determine the temperature of its hot reservoir
Create a visual display for a tennis ball rolling horizontally along a table and as it goes off the table. Sketch and label all forces acting on the ball in as a minimum three different locations of its motion.
A generator at a power plant produces a voltage of 9.00 kV and current 150 A. How much power is lost as waste heat in the transmission line
Two capacitors, C1 = 25 µF and C2 = 4.0 µF, are connected in parallel and charged with a 110 V power supply. Calculate the total energy stored in two capacitors
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