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 117 times)

wrbasek0

  • Hero Member
  • *****
  • Posts: 560
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
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
Both answers were spot on, thank you once again




 

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

For a complete list of videos, visit our video library