## Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (3rd Edition)

Published by Pearson

# Chapter 2 - Kinematics in One Dimension - Exercises and Problems: 14

#### Answer

$a = 83.3~m/s^2$

#### Work Step by Step

We can convert the speed to units of m/s; $v = (150~km/h)(\frac{1000~m}{1~km})(\frac{1~h}{3600~s}) = 41.67~m/s$ We then use this daata to find the acceleration of the air: $a = \frac{v-v_0}{t} = \frac{41.67~m/s-0}{0.50~s}$ $a = 83.3~m/s^2$

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