Author Question: A child pulls on a wagon with a horizontal force of 75 N. If the wagon moves horizontally a total of ... (Read 228 times)

krzymel

  • Hero Member
  • *****
  • Posts: 548
A child pulls on a wagon with a horizontal force of 75 N. If the wagon moves horizontally a total of 42 m in 3.0 min, what is the average power generated by the child?
 
  A) 18 W
  B) 22 W
  C) 24 W
  D) 27 W

Question 2

A steady horizontal force lasting for 2.1 s gives a 1.25 kg object an acceleration of 3.2 m/s2 on a frictionless table. What impulse does this force give to the object?
 
  A) 11 kg  m/s B) 26 kg  m/s C) 2.6 kg  m/s D) 8.4 kg  m/s



abro1885

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

A

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

krzymel

  • Hero Member
  • *****
  • Posts: 548
Both answers were spot on, thank you once again




 

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

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?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

For a complete list of videos, visit our video library