« previous next »

Author Question: It takes 40 J to push a large crate 4 m across a floor. The force exerted on the crate is A) 4 N. ... (Read 103 times)

wrbasek0

  • Hero Member
  • *****
  • Posts: 560
on: Jul 29, 2018
It takes 40 J to push a large crate 4 m across a floor. The force exerted on the crate is
 
  A) 4 N.
  B) 10 N.
  C) 40 N.
  D) 160 N.
  E) 1600 N.

Question 2

At the same moment, one rock is dropped and one is thrown downward with an initial velocity of from the top of a building that is 300 m tall. How much earlier does the thrown rock strike the ground? Neglect air resistance.
 
  What will be an ideal response?


ebonylittles

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

2.4 s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

wrbasek0

  • Hero Member
  • *****
  • Posts: 560
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


ebonylittles

  • Sr. Member
  • ****
  • Posts: 318
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Large Munsterländer Large Munsterländer
Floor Pattern Floor Pattern
Large facial tumor due to malignant Burkitt’s lymphoma, a non-Hodgkin’s lymphoma. Large facial tumor due to malignant Burkitt’s lymphoma, a non-Hodgkin’s lymphoma.
finding the resultant force finding the resultant force
A 4.0-kg block slides down a 35 incline at a constant speed when a 16-N force is applied acting ... A 4.0-kg block slides down a 35 incline at a constant speed when a 16-N force is applied acting ...
Video: Photosynthesis and Van Helmont Experiment

For a complete list of videos, visit our video library