Set 2-1D and 2D motion

Set 2-1D and 2D motion - Sonia Rahangdale- PHY 231 Fall...

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Unformatted text preview: Sonia Rahangdale- PHY 231 Fall 2006 1 Set 02 (09/12) Due date: Tue Sep 12 23:59:00 2006 A boat crossing a 155.0 m wide river is directed so that it will cross the river as quickly as possible. The boat has a speed of 5.70 m/s in still water and the river flows uniformly at 3.10 m/s. Calculate the total distance the boat will travel to reach the opposite shore. You are correct. Your receipt is 155-1747 A river is to be crossed by a girl using a row boat. C H A K J F D B Assume that the water has uniform velocity, represented above by the vector labeled C. The rowing speed of the girl and a set of possible orientation of her boat are also shown. Select the direction (i.e., H, or D, or ...) in order to cross the river in the shortest time. (Notice that the number of tries is reduced.) You are correct. Your receipt is 155-2559 For which rowing orientation will the girl land on the oppo- site shore directly across from her starting position, neither upstream or downstream. (Notice that the number of tries is reduced.) You are correct. Your receipt is 155-2901 Select an answer for each .... below. Choices: Greater than , Less than , Equal to . A. Time to row across for B is .... for H. B. The distance traveled in crossing for F is .... for K. C. For an observer on shore, the speed of the boat for J is .... for K. D. Time to row across for D is .... for B. E. Time to row across for H is .... for A. You are correct. Your receipt is 155-2810 A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 10.1 m/s. The cliff is 37.6 m above a flat horizontal beach as shown in the figure....
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This note was uploaded on 04/10/2008 for the course PHY 231 taught by Professor Smith during the Spring '08 term at Michigan State University.

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Set 2-1D and 2D motion - Sonia Rahangdale- PHY 231 Fall...

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