Physics Solutions Library

Physics Solutions Library

Access over 6,691 Physics video and text solutions to help you complete your homework.

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6,691 solutions

First Law of Thermodynamics

Q. Which statement describes the law of conservation of energy?a. All systems will exchange matter and energy with their surroundings.b. All systems c...

Solved • Mar 30, 2021

Power in Circuits

Q. How much power is dissipated by each resistor in the figure below, in which V = 9 V and R2 = 15 Ω?

Solved • Mar 30, 2021

Electric Field

Q. (a) If the total positive charge is Q = .62x10-6 C, what is the magnitude of the electric field caused by this charge at point P, a distance d=1.53...

Solved • Mar 30, 2021

Net Work & Kinetic Energy

Q. Write an expression for the kinetic energy of an object in terms of its momentum p and inertia m. Express your answer in terms of the variables p a...

Solved • Mar 30, 2021

Electric Charge

Q. What is the net charge on a sphere that has the following?(a)    5.89x106 electrons and 8.37x106 protons(b)    240 electrons and 106 protons

Solved • Mar 30, 2021

Coulomb's Law (Electric Force)

Q. Four identical charges Q are placed at the corners of a square of side L.Find the magnitude total force exerted on one charge by the other three ch...

Solved • Mar 30, 2021

Waves on a String

Q. A water wave traveling in a straight line on a lake is described by the equationwhere y is the displacement perpendicular to the undisturbed surfac...

Solved • Mar 30, 2021