Chemistry 9th Edition

Published by Cengage Learning
ISBN 10: 1133611095
ISBN 13: 978-1-13361-109-7

Chapter 6 - Thermochemistry - Exercises: 26

Answer

The object with a mass of 1 kg and velocity of 2.0 m/s has a greater kinetic energy.

Work Step by Step

$KE=\frac{1}{2}mv^2$ The object with a mass of 2.0 kg and velocity of 1.0 m/s $KE=\frac{1}{2}mv^2$ $KE=\frac{1}{2}*2.0*1.0^2=1.0$ J The object with a mass of 1.0 kg and velocity of 2.0 m/s $KE=\frac{1}{2}mv^2$ $KE=\frac{1}{2}*1.0*2.0^2=2.0$ J
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