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Conservation of Energy with Rotation Solutions Library

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13 solutions

Conservation of Energy with Rotation

Q. In softball, the pitcher throws with the arm fully extended (straight at the elbow). In a fast pitch the ball leaves the hand with a speed of 139 k...

Solved • Jul 15, 2020

Conservation of Energy with Rotation

Q. An Unfair Race This applet shows the results of releasing a frictionless block and a rolling disk with equal masses from the top of identical incli...

Solved • Apr 24, 2020

Conservation of Energy with Rotation

Q. You have a pumpkin of mass M and radius R. The pumpkin has the shape of a sphere, but it is not uniform inside so you do not know its moment of ine...

Solved • Apr 20, 2020

Conservation of Energy with Rotation

Q. A 2.30-m-long pole is balanced vertically on its tip. It starts to fall and its lower end does not slip. What will be the speed of the upper end of...

Solved • Mar 18, 2019

Conservation of Energy with Rotation

Q. A uniform hollow disk has two pieces of thin light wire wrapped around its outer rim and is supported from the ceiling (See the figure below). Sudd...

Solved • Mar 18, 2019

Conservation of Energy with Rotation

Q. A solid cylinder with moment of inertia I = 1/2 MR2, a hollow cylinder with moment of inertia I = MR2 and a solid sphere with moment of inertia I =...

Solved • Jun 1, 2017

Conservation of Energy with Rotation

Q. A thin rod of length 2.8 m and mass 4.2 kg is held vertically with its lower end resting on a frictionless horizontal surface. The rod is then let ...

Solved • May 19, 2017

Conservation of Energy with Rotation

Q. A uniform rod of mass m and length l is pivoted about a horizontal, frictionless pin at the end of a thin extension (of negligible mass) a distance...

Solved • May 17, 2017

Conservation of Energy with Rotation

Q. A 2 kg mass hangs from a rope wrapped around the surface of a cylindrical pulley. The pulley has a mass of 12 kg and a radius of 0.4 m. If the 2 kg...

Solved • May 10, 2017

Conservation of Energy with Rotation

Q. A 5 kg mass hangs from a rope wrapped around the surface of a cylindrical pulley. The pulley has a mass of 20 kg and a radius of 0.8 m. If the 5 kg...

Solved • May 10, 2017

Conservation of Energy with Rotation

Q. A solid disk is released from rest and rolls without slipping down an inclined plane that makes an angle of 25.0° with the horizontal. What is the ...

Solved • Mar 6, 2017

Conservation of Energy with Rotation

Q. A thin-walled hollow cylinder (I = MR2), with mass M = 3.00 kg and radius R = 0.200 m, is rolling without slipping at the bottom of a hill. At the ...

Solved • Feb 7, 2017

Conservation of Energy with Rotation

Q. A thin-walled hollow sphere with mass 5.0 kg and radius 0.20 m is rolling without slipping at the base of an incline that slopes upward at 37° abov...

Solved • Feb 6, 2017