1. A dolphin is initially swimming at 7.2 km/hr, directly West. 7 seconds later, the dolphin is swimming 5.3 km/hr, 30° W of N. What was the dolphin's acceleration? (Use graphical addition or subtraction to make an estimate before doing any calculations. Compare the result of your calculations to the graphical addition or subtraction to determine if your answer is reasonable.)

1. A dolphin is initially swimming at 7.2 km/hr, directly West. 7 seconds later, the dolphin is swimming 5.3 km/hr, 30° W of N. What was the dolphin's acceleration? (Use graphical addition or subtraction to make an estimate before doing any calculations. Compare the result of your calculations to the graphical addition or subtraction to determine if your answer is reasonable.)

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter3: Motion Along A Straight Line

Section: Chapter Questions

Problem 79P: Between t=0 and t=t0 , a rocket moves straight upward with an acceleration given by a(t)=ABt1/2 ,...

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