SECTION 7.5 Kinetic Energy and the Work-KineticEnergy Theorem21. A 0.600-kg particle has a speed of 2.00 m/s at point A andV kinetic energy of 7.50 J at point B. What is (a) its kineticcnergy at 0, (b) its speed at 0, and (c) the net work doneon the particle by external forces as it moves from @ to 8?22. A 4.00-kg particle is subject to a net force that varies withV position as shown in Figure P7.9. The particle starts from restat x= 0. What is its speed at (a) x= 5.00 m, (b) x= 10.0 m,and (c) x =15.0 m?

Solution:-(21) Part (a):- We know , kinetic energy k = (1/2)×m×v2 Then Ka= (1/2)×0.600×(2)2 […

Answered: 21. A 0.600-kg particle has a speed of…

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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