A 12 kg block on a horizontal surface is attached to a horizontal spring of spring constant k = 5.4 kN/m. The block is pulled to the right so that the spring is stretched 14 cm beyond its relaxed length, and the block is then released from rest. The frictional force between the sliding block and the surface has a magnitude of 40 N. (a) What is the kinetic energy of the block when it has moved 5.3 cm from its point of release? (b) What is the kinetic energy of the block when it first slides back through the point at which the spring is relaxed? (c) What is the maximum kinetic energy attained by the block as it slides from its point of release to the point at which the spring is relaxed? (a) Number (b) Number Units Units (c) Number Units <>

A 12 kg block on a horizontal surface is attached to a horizontal spring of spring constant k = 5.4 kN/m. The block is pulled to the right so that the spring is stretched 14 cm beyond its relaxed length, and the block is then released from rest. The frictional force between the sliding block and the surface has a magnitude of 40 N. (a) What is the kinetic energy of the block when it has moved 5.3 cm from its point of release? (b) What is the kinetic energy of the block when it first slides back through the point at which the spring is relaxed? (c) What is the maximum kinetic energy attained by the block as it slides from its point of release to the point at which the spring is relaxed? (a) Number (b) Number Units Units (c) Number Units <>

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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