This topic contains a solution. Click here to go to the answer

Author Question: You want to swim straight across a river that is 76 m wide. You find that you can do this if you ... (Read 56 times)

nramada

  • Hero Member
  • *****
  • Posts: 580
You want to swim straight across a river that is 76 m wide. You find that you can do this if you swim at an angle of  = 28 from the upstream direction at a constant rate of 1.5 m/s relative to the water.
 
  At what rate does the river flow? The angle  is measured from the river bank (directly upstream is  = 0 while directly across the river is  = 90). A) 1.3 m/s
  B) 0.70 m/s
  C) 1.6 m/s
  D) 1.8 m/s

Question 2

A small boat is moving at a velocity of 3.35 m/s when it is accelerated by a river current perpendicular to the initial direction of motion. If the acceleration of the current is 0.750 m/s2, what will be the new velocity of the boat after 33.5 s?
 
  A) 25.3 m/s at 82.4 from initial direction of motion
  B) 25.3 m/s at 7.59 from initial direction of motion
  C) 640.1 m/s at 82.4 from initial direction of motion
  D) 640.1 m/s at 7.59 from initial direction of motion



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ansleighelindsey

  • Sr. Member
  • ****
  • Posts: 364
Answer to Question 1

A

Answer to Question 2

A



nramada

  • Hero Member
  • *****
  • Posts: 580
Both answers were spot on, thank you once again




 

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

For a complete list of videos, visit our video library