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An object with a mass of 500 g is released from a helight of 40 m. Since the air friction is negligible what is the kinetic energy of the of the object when it hits the ground? Assume that g = 10 m/s2. 50] b) 500 j a) 100 j 200 j C) d) e) 1000 j

An object with a mass of 500 g is released from a helight of 40 m. Since the air friction is negligible what is the kinetic energy of the of the object when it hits the ground? Assume that g = 10 m/s2. 50] b) 500 j a) 100 j 200 j C) d) e) 1000 j

College Physics
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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3 An object with a mass of 500 g is released from a height of 40 m. Since the air friction is negligible what is the kinetic energy of the of the object when it hits the ground? Assume that g- 10 m/s, a) 50 j b) 500 j C) 100 j 200 j e) 1000 j Boş bırak
Transcribed Image Text:3 An object with a mass of 500 g is released from a height of 40 m. Since the air friction is negligible what is the kinetic energy of the of the object when it hits the ground? Assume that g- 10 m/s, a) 50 j b) 500 j C) 100 j 200 j e) 1000 j Boş bırak
4 - The forces F-10N and F 20 N in the same plane act on the rod with equal 1 m divisions that can rotate around point O in the horizontal plane, as shown in the figure. Find the direction and magnitude of net torque acting on the rod with respect to point O. a) 10 N.m.inward fro the page plane b) 8 N.m.outward from the plane of the page C) 4 N.m.inward from the pageplane. d) 6 N.m. outward from the plane of the page e) 4 N.m. outward from the plane.ofthe cage
Transcribed Image Text:4 - The forces F-10N and F 20 N in the same plane act on the rod with equal 1 m divisions that can rotate around point O in the horizontal plane, as shown in the figure. Find the direction and magnitude of net torque acting on the rod with respect to point O. a) 10 N.m.inward fro the page plane b) 8 N.m.outward from the plane of the page C) 4 N.m.inward from the pageplane. d) 6 N.m. outward from the plane of the page e) 4 N.m. outward from the plane.ofthe cage
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