« previous next »

Author Question: A child pulls on a wagon with a horizontal force of 75 N. If the wagon moves horizontally a total of ... (Read 210 times)

krzymel

  • Hero Member
  • *****
  • Posts: 548
on: Jul 29, 2018
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
Reply #1 on: Jul 29, 2018
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
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


abro1885

  • Sr. Member
  • ****
  • Posts: 337
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

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 training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

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?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Primary production increases with an increase in total phosphorus concentration. Primary production increases with an increase in total phosphorus concentration.
A Motor Protein Moves Microtubules in Cilia and Flagella A Motor Protein Moves Microtubules in Cilia and Flagella
Audiometry exam being administered to a young child who is wearing the ear phones through which soun Audiometry exam being administered to a young child who is wearing the ear phones through which soun
Vertical and Horizontal Changes in Pressure Vertical and Horizontal Changes in Pressure
Total Fitness and Wellness, Brief Edition, 4th Edition Total Fitness and Wellness, Brief Edition, 4th Edition
The horizontal phase shift of the resultant graph is The horizontal phase shift of the resultant graph is
Video: The Lac Operon in E. Coli

For a complete list of videos, visit our video library