This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
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 1551747 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 1552559 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 1552901 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 1552810 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....
View
Full
Document
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.
 Spring '08
 smith

Click to edit the document details