A static object at an altitude of 30m from the surface of the ground has a potential energy of 1470J as shown in Fig. (2). If the body falls down, neglecting the air resistance, calculate: 1) The kinetic energy of the body and its potential energy at a height 20m from the ground surface. 2) The velocity of the body at the moment of collision with the ground. KE = ? PE = ? h = 30 m h = 20 m v= ? Ground surface Fig. 2

A static object at an altitude of 30m from the surface of the ground has a potential energy of 1470J as shown in Fig. (2). If the body falls down, neglecting the air resistance, calculate: 1) The kinetic energy of the body and its potential energy at a height 20m from the ground surface. 2) The velocity of the body at the moment of collision with the ground. KE = ? PE = ? h = 30 m h = 20 m v= ? Ground surface Fig. 2

Name: A static object at an altitude of 30m from the surface of the ground
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Description: A static object at an altitude of 30m from the surface of the ground has apotential energy of 1470J as shown in Fig. (2). If the body falls down,neglecting the air resistance, calculate:1) The kinetic energy of the body and its potential energy at a

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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