« 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 226 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?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

A Motor Protein Moves Microtubules in Cilia and Flagella A Motor Protein Moves Microtubules in Cilia and Flagella
Preschool and child care afford opportunities for many new experiences but also can be stressful for ... Preschool and child care afford opportunities for many new experiences but also can be stressful for ...
Torque is a twisting force equal to the distance from the pivot point times the force applied ... Torque is a twisting force equal to the distance from the pivot point times the force applied ...
Types of ecosystem service vs. total global value per year Types of ecosystem service vs. total global value per year
Income per Capita versus Total Fertility Rate Income per Capita versus Total Fertility Rate
A forklift pushes a 100-kg crate, starting from rest, exerting a horizontal force of magnitude ... A forklift pushes a 100-kg crate, starting from rest, exerting a horizontal force of magnitude ...
Video: What are the Parts of a Plant Cell?

For a complete list of videos, visit our video library