Physics Solutions Library

Physics Solutions Library

Access over 2,916 Physics video and text solutions to help you complete your homework.

Browse Solutions

2,916 solutions

Net Torque & Sign of Torque

Q. In the figure (Figure 1), what is the net torque about the axle? Express your answer to two significant figures and include the appropriate units.

Solved • Mar 11, 2020

Electric Field

Q. Figure 18.57 shows an electron passing between two charged metal plates that create an 100 N/C vertical electric field perpendicular to the electro...

Solved • Mar 11, 2020

Combining Resistors in Series & Parallel

Q. What is the equivalent resistance between points a and b in the figure? (Figure 1) Please show work.

Solved • Mar 11, 2020

Intro to Motion (Kinematics)

Q. To take off from the ground, an airplane must reach a sufficiently high speed. The velocity required for the takeoff, the takeoff velocity, depends...

Solved • Mar 11, 2020

Force on Moving Charges & Right Hand Rule

Q. An electron at point A in the figure has a speed of 1.49 × 106 m/s.(a) Find the direction of the magnetic field that will cause the electron to fol...

Solved • Mar 11, 2020

Intro to Moment of Inertia

Q. A regulation table tennis ball has a mass of 2.7g and is 40mm in diameter. What is its moment of inertia about an axis that passes through its center?

Solved • Mar 11, 2020

Resistors and Ohm's Law

Q. What is the equivalent resistance between points a and b in the figure (Figure 1)? Express your answer using one significant figure.

Solved • Mar 11, 2020