What is the answer to question 1 c and question 2 1. A pendulum consists of a weight on the end of a string attached to a fixed pivot. The weight isheld at a 90 degree angle before being released.VrIa. What is the potential energy of the weight at the moment of release?b. What is the velocity at the bottom of the swing?c. Derive an expression for the work done by gravity on the weight at an arbitrary angle.2. Two identical masses are on a frictionless table. One mass is accelerated by a 10 N force over adistance of 1 m. The second mass is accelerated in the same direction by a 5 N force over a distanceof 2 m. Which of the following statements is false?A: The work done on both masses is the same.B: The final velocity of both masses is the same.C: The acceleration of both masses is the same.D: The time taken for the second mass to reach top speed is double that taken by mass one

Since you have posted multiple questions, we will provide the solution only to the first question as…

1. A pendulum consists of a weight on the end of a string attached to a fixed pivot. The weight is held at a 90 degree angle before being released. r H a. What is the potential energy of the weight at the moment of release? b. What is the velocity at the bottom of the swing? c. Derive an expression for the work done by gravity on the weight at an arbitrary angle.

1. A pendulum consists of a weight on the end of a string attached to a fixed pivot. The weight is held at a 90 degree angle before being released. r H a. What is the potential energy of the weight at the moment of release? b. What is the velocity at the bottom of the swing? c. Derive an expression for the work done by gravity on the weight at an arbitrary angle.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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