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(a) During an ice skating performance, an initially

Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli ISBN: 9780130606204 3

Solution for problem 44PE Chapter 8

Physics: Principles with Applications | 6th Edition

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Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli

Physics: Principles with Applications | 6th Edition

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Problem 44PE

(a) During an ice skating performance, an initially motionless 80.0-kg clown throws a fake barbell away. The clown’s ice skates allow her to recoil frictionlessly. If the clown recoils with a velocity of 0.500 m/s and the barbell is thrown with a velocity of 10.0 m/s, what is the mass of the barbell? (b) How much kinetic energy is gained by this maneuver? (c) Where does the kinetic energy come from?

Step-by-Step Solution:

Step-by-step solution In this problem a ice skating act was perform by a clown who throws a fake barbell away ,so as per the given data we have to find out the mass of the barbell , gain in the kinetic energy and the point from which the kinetic energy is generated. Step 1 of 8 (a) For a collision, the momentum will be conserved. So, …… (1) Here is the mass of skates, is the mass of barbell, is the velocity of skates, is the velocity of barbell and is the velocity after collision. Step 2 of 8 Substitute in equation (1) and get: Hence, mass of barbell is . Step 3 of 8 (b) The expression of initial kinetic energy is: …… (2) Here is the mass of skates, is the mass of barbell, is the velocity of skates and is the velocity of barbell. Step 4 of 8 Substitute in the equation (2) and get: Hence, the initial kinetic energy is 2.2 × 10 J.

Step 5 of 8

Chapter 8, Problem 44PE is Solved
Step 6 of 8

Textbook: Physics: Principles with Applications
Edition: 6
Author: Douglas C. Giancoli
ISBN: 9780130606204

The answer to “(a) During an ice skating performance, an initially motionless 80.0-kg clown throws a fake barbell away. The clown’s ice skates allow her to recoil frictionlessly. If the clown recoils with a velocity of 0.500 m/s and the barbell is thrown with a velocity of 10.0 m/s, what is the mass of the barbell? (b) How much kinetic energy is gained by this maneuver? (c) Where does the kinetic energy come from?” is broken down into a number of easy to follow steps, and 71 words. Since the solution to 44PE from 8 chapter was answered, more than 1361 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: Physics: Principles with Applications, edition: 6. The full step-by-step solution to problem: 44PE from chapter: 8 was answered by , our top Physics solution expert on 03/03/17, 03:53PM. This full solution covers the following key subjects: barbell, clown, kinetic, velocity, ice. This expansive textbook survival guide covers 35 chapters, and 3914 solutions. Physics: Principles with Applications was written by and is associated to the ISBN: 9780130606204.

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