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 42 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?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

For a complete list of videos, visit our video library