Physics Solutions Library

# Physics Solutions Library

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5,769 solutions

Gauss' Law

#### Q. A spherical shell has an inner radius of 10 cm and an outer radius of 12 cm. If the spherical shell has a charge Q = 10 nC, and encloses a charge q...

Solved • Dec 22, 2016

Gauss' Law

#### Q. Some shape is made up of 8 different surfaces. If the electric flux through each surface of the shape is given below, how much charge is enclosed b...

Solved • Dec 22, 2016

Electric Field

#### Q. A pendulum has a charged mass at the end of it, as shown in the figure below. If it is in equilibrium, what is the magnitude of the electric field?

Solved • Dec 22, 2016

Electric Field

#### Q. Two charges, q1 = 5 μC  and q 2 = 7 μC, are separated by 10 cm, with q 1 to the left of q2. Where is the net electric field, due to both charges, z...

Solved • Dec 22, 2016

Rotational Velocity & Acceleration

#### Q. Two solid discs are rotating about a perpendicular shaft through their centers, as shown in the figure. Disc A, has a radius that is twice as large...

Solved • Dec 22, 2016

Kepler's Third Law

#### Q. The orbit of Uranus is 19.2 times as large as the Earth’s orbit. How long is a Uranian year? A) 1 Earth year B) 19 Earth years C) 84 Earth years...

Solved • Dec 22, 2016

Rotational Velocity & Acceleration

#### Q. When you ride your bicycle, in what direction is the angular velocity of the wheels? A) to your left B) to your right C) forward D) backward E...

Solved • Dec 22, 2016