Sunday
April 20, 2014

Homework Help: Physics

Posted by Brenda on Sunday, September 23, 2012 at 11:44am.

A boy wishes to row across a river in the shortest possible time. He can row at 2m/s in still water and the river is flowing at 1m/s. At what angle should he point th efront of his boat?

The answer is 90 degrees but I dont understand how to solve the problem using the velocity components of the boats velocity.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - A boy wishes to row directly across a river but the current flows at 1...
Physics - A river 99.1 m wide flows toward the south at 31.5 m/min. A girl on ...
physics - Mary needs to row her boat across a 120 m -wide river that is flowing ...
physics - Trevor can row a boat at 3.00 mi/hr in still water. He needs to cross ...
Physics - There's 2. 1) A 1200-kg airplane starts from rest and, with a constant...
math - Suppose you want to row your boat across a 3-mile-wide river. You can row...
algebra 2 - suppose you want to row your boat across a 3 mile wide river and row...
Maths - 2 men and 2 boys want to cross a river. None of them can swim and they ...
Physics - Diane rows a boat at 8.3 m/s directly across a river that flows at 5.6...
Algebra and Trigonometry - A person who can swim at 3 m/s wishes to swim ...

Search
Members