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marks Window Help Wiley PLUS Q. Google http://edugen,wileyplus.com/edugen/student/mainfr.uni GENERAL PHYSICS 1 AND 2 (PHYS 209/21 Cutnell, Physics, 9e Gradebook Assignment gnnment MESSAGE HYINSTRUCTOR FULL SCREEN PRINTER VERSION BACK Chapter 03, Problem 31 An eagle is nying horizontally at 6.6 m/s wth a fish in daws. It drops the (a) How much time passes before the fish's speed doubles? (b) How much additional time would be required for the speed to double again? (a) Number Units (b) Number units click if you would like to show work for this q open show work By accessing this Question Assistance, you wal learn while you earn points based on the Point Potential Policy set by your Question Attempts: Unlimited SAVE FOR LATER SUBMIT ANswER Copyright e 2000-2015 by John Wiley Sons, In or related companies. All rights reserved

Explanation / Answer

The vertical velocity of the fish is zero. to have 13.2m/s (double of horizontal) vertical speed is

Vf = Vi + g t

13.2 = 0 + (9.8) t

t = 1.35seconds

b) to double it speed again Vf = 26.4m/s so

Vf = Vi + g t

26.4 = 0 + (9.8) t

t = 2.69seconds

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