19 A bullet of mass 5g strikes a ballistics pendulum ofmass 75 kg with speed v and becomes embedded inthe pendulum. When the pendulum swings back, itsheight increases by 11 cm. For the following questions,assume that the initial gravitational potential energy ofthe pendulum was zero.11 cma What was the gravitational potential energy of thependulum at the top of its swing?b What was the kinetic energy of the pendulum whenthe bullet first became embedded in it?c What was the speed of the bullet just before it hitthe pendulum? (Assume that the bullet transferredall of its kinetic energy to the pendulum.)

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19 A bullet of mass 5g strikes a ballistics pendulum of mass 75 kg with speed v and becomes embedded in the pendulum. When the pendulum swings back, its height increases by 11 cm. For the following questions, assume that the initial gravitational potential energy of the pendulum was zero. 1 11 cm a What was the gravitational potential energy of the pendulum at the top of its swing? b What was the kinetic energy of the pendulum when the bullet first became embedded in it? c What was the speed of the bullet just before it hit the pendulum? (Assume that the bullet transferred all of its kinetic energy to the pendulum.)

19 A bullet of mass 5g strikes a ballistics pendulum of mass 75 kg with speed v and becomes embedded in the pendulum. When the pendulum swings back, its height increases by 11 cm. For the following questions, assume that the initial gravitational potential energy of the pendulum was zero. 1 11 cm a What was the gravitational potential energy of the pendulum at the top of its swing? b What was the kinetic energy of the pendulum when the bullet first became embedded in it? c What was the speed of the bullet just before it hit the pendulum? (Assume that the bullet transferred all of its kinetic energy to the pendulum.)

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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Question

19 A bullet of mass 5g strikes a ballistics pendulum of
mass 75 kg with speed v and becomes embedded in
the pendulum. When the pendulum swings back, its
height increases by 11 cm. For the following questions,
assume that the initial gravitational potential energy of
the pendulum was zero.
11 cm
a What was the gravitational potential energy of the
pendulum at the top of its swing?
b What was the kinetic energy of the pendulum when
the bullet first became embedded in it?
c What was the speed of the bullet just before it hit
the pendulum? (Assume that the bullet transferred
all of its kinetic energy to the pendulum.)

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