4. The vector of Rotational Velocity points along a direction parallel tothe axis of rotation, and perpendicular to the rotational plane. (T/F?)5. In an elastic collision, such as when a new tennis ball hits a tennisracket, energy is conserved. (T/F?)6. In an closed/open system, energy is conserved.(Y/N?) (pick one answeronly)7. Mass is a scalar quantity. (D /F?) Choose only1 answer, and indicate your answer clearly to the left of thequestion by the number, so that I can easily pick out which answer goes towhich questionNote: you do not need to justify your answer with additional work(though I would not mind...)1. An object moving in a circle of constant radius is under a constantinward (centripetal) acceleration to maintain its path around the center.(T/F?)2. Which one of the following four statements is true?A) The linear velocity of an object moving in a circle of constant radiusalways = 0.B) Angular velocity is a scalar.C) The linear velocity of an object moving in a circle of constant radiushas no relation to the angular velocity of the same object.D) The radial acceleration of an object moving in a circle of constantradius is related to the square of the angular velocity.3. Moment of Inertia for Rotational Kinetic Energy corresponds to Massfor force. (T/F?)

In this, many questions are given so we will solve only first question for you. if you want the…

Answered: 4. The vector of Rotational Velocity…

4. The vector of Rotational Velocity points along a direction parallel to the axis of rotation, and perpendicular to the rotational plane. (T/F?)

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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Concept explainers

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.

Question

4. The vector of Rotational Velocity points along a direction parallel to
the axis of rotation, and perpendicular to the rotational plane. (T/F?)
5. In an elastic collision, such as when a new tennis ball hits a tennis
racket, energy is conserved. (T/F?)
6. In an closed/open system, energy is conserved.(Y/N?) (pick one answer
only)
7. Mass is a scalar quantity. (D /F?)

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