on.masteringphysics.com/ 3 Exercise 7.20 MasteringPhysics 4 of 13 Exercise 7.20

Question

on.masteringphysics.com/ 3 Exercise 7.20 MasteringPhysics 4 of 13 Exercise 7.20 A piece of cheese with a mass of 1.09kg is placed on a vertical spring of negligible mass and a force constant k 2100N /m that is compressed by a distance of 13.2cm Part A When the spring is released, how high does the cheese rise from this initial position? (The cheese and the spring are not attached.) Use 9.81m/s4 for the acceleration due to gravity use 9.81m/sfor the acceleration due to gravity Express your answer using two significant figures IIm Submit Give Up Continue >

Explanation / Answer

let the height the cheese rise is h

using conervation of energy

spring potential energy = potetnial energy of cheese

0.5 * k * x^2 = m*g*h

0.5 * 2100 * 0.132^2 = 1.09 * 9.8 *h

h = 1.83 m

cheese rises to 1.83 m height

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