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Physics Solutions Library

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3,842 solutions

Moment of Inertia of Systems

Q. A sphere consists of a solid wooden ball of uniform density 800kg/m3 and radius 0.30 m and is covered with a thin coating of lead foil with area de...

Solved • Mar 18, 2019
Intro to Rotational Kinetic Energy

Q. Suppose that some time in the future we decide to tap the moons rotational energy for use on earth. In additional to the astronomical data in Appen...

Solved • Mar 18, 2019
Intro to Rotational Kinetic Energy

Q. You are designing a rotating metal flywheel that will be used to store energy. The flywheel is to be a uniform disk with radius 31.0  cm . Starting...

Solved • Mar 18, 2019
Moment of Inertia of Systems

Q. The four masses shown in the figure are connected by massless, rigid rods. Assume that m exttip{m}{m}= 210 g.a) What is the x-coordinate of the cen...

Solved • Mar 18, 2019
Intro to Rotational Kinetic Energy

Q. The three 210 g masses in the figure are connected by massless, rigid rods.a) What is the triangle’s moment of inertia about the axis through the c...

Solved • Mar 18, 2019
Conservation of Energy in Rolling Motion

Q. A hollow sphere is rolling along a horizontal floor at 6.00 m/s when it comes to a 33.0 degree incline. How far up the incline does it roll before ...

Solved • Mar 18, 2019

Bernoulli's Equation

Q. An airplane has a mass of 1.6×106 kg, and the air flows past the lower surface of the wings at 94 m/s. If the wings have a surface area of 1300 m2,...

Solved • Mar 5, 2019