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March 29, 2015

March 29, 2015

Posted by **John** on Monday, February 25, 2008 at 2:32pm.

(a) How far does the boat coast?

m

(b) How much time does it take for the boat to come to rest after the engine is turned off?

- Physics -
**drwls**, Monday, February 25, 2008 at 3:06pma) Set F*X equal to the initial kinetic energy and solve for X. X is the distance and f is the friction force, which is here assumed to equal the propeller force while running at full speed, 780 N

b) Divide X by the average speed, V/2.

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