Physics Solutions Library

Physics Solutions Library

Access over 5,769 Physics video and text solutions to help you complete your homework.

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5,769 solutions

Intro to Center of Mass

Q. Where is the center of mass of the Earth – Sun system located? A) Just outside the surface of the Sun. B) Halfway between the Earth and Sun. C) ...

Solved • Dec 22, 2016

Centripetal Forces

Q. A ball on a string is swung in a horizontal circle on a frictionless table. The tension in the string is To when the ball completes a rotation in 1...

Solved • Dec 22, 2016

Kinetic Friction

Q. You are pushing a box, mass  m, across a rough horizontal floor with a constant speed, v. The coefficient of static friction is μ s and the coeffic...

Solved • Dec 22, 2016

Force Problems with Motion

Q. A 1500 kg rocket takes off vertically from a launch pad. Its engines provide a thrust of 25,000 N. After 20.0 s, what is the speed of the rocket?A)...

Solved • Dec 22, 2016

Inclines with Friction

Q. A box sits on a ramp with an adjustable inclination angle that is slowly increased. Just as the angle reaches 36°, the box begins to slide. What is...

Solved • Dec 22, 2016

Forces in Connected Objects (Systems)

Q. Box A, 15 kg, rests on a frictionless horizontal surface connected to box  B, 5.0 kg, by a string as shown in the diagram. What is the magnitude of...

Solved • Dec 22, 2016

Forces in Connected Objects (Systems)

Q. A box, mass m, hangs from the pulley system shown to the right. What is the tension in the rope that runs over the pulleys? (Assume the rope and pu...

Solved • Dec 22, 2016