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

Author Question: A mover slides a refrigerator 5 meters across a floor. If a force of 200 N was used, how much work ... (Read 10 times)

Lobcity

  • Hero Member
  • *****
  • Posts: 524
A mover slides a refrigerator 5 meters across a floor. If a force of 200 N was used, how much work was done?

Question 2

A railroad car with a mass of 20,000 kg rolls into a second stationary car with a mass of 40,000 kg. The cars latch together and move off with a speed of 1.2 m/s. How fast was the first car moving before the collision?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

s.meritte

  • Sr. Member
  • ****
  • Posts: 306
Answer to Question 1

1,000 J

Answer to Question 2

3.6 m/s




Lobcity

  • Member
  • Posts: 524
Reply 2 on: Jul 28, 2018
Gracias!


xthemafja

  • Member
  • Posts: 348
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

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.

For a complete list of videos, visit our video library