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

Author Question: The accelerating force of the wind on a small 300-kg sailboat is 780 N northeast. If the drag of the ... (Read 35 times)

Caiter2013

  • Hero Member
  • *****
  • Posts: 607
The accelerating force of the wind on a small 300-kg sailboat is 780 N northeast. If the drag of the keel is 552 N acting west, what is the acceleration of the boat?
 a. 4.4 m/s2 due east
  b. 1.8 m/s2 due north
  c. 2.6 m/s2 northeast
  d. 3.2 m/s2 north by northwest
  e. 0.23 m/s2 due east

Question 2

A 60.0-kg man jumps 1.70 m down onto a concrete walkway. His downward motion stops in 0.025 seconds. If he forgets to bend his knees, what force is transmitted to his leg bones?
 a. 13 900 N
  b. 346 N
  c. 8 000 N
  d. 1 790 N



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tuwy

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

b

Answer to Question 2

a




tuwy

  • Sr. Member
  • ****
  • Posts: 336

 

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

For a complete list of videos, visit our video library