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

Author Question: What horizontally-applied force will accelerate a 400-kg crate at 1 m/s2 across a factory floor ... (Read 189 times)

kodithompson

  • Hero Member
  • *****
  • Posts: 566
What horizontally-applied force will accelerate a 400-kg crate at 1 m/s2 across a factory floor against a friction force half its weight?
 
  A) 600 N
  B) 1600 N
  C) 2000 N
  D) 2400 N
  E) none of the above

Question 2

If you are driving at 20 m/s and slam on your brakes and skid at 0.5g to a full stop, the skidding time is about
 
  A) 3 s.
  B) 4 s.
  C) 5 s.
  D) 6 s.
  E) greater than 6 s.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

DylanD1323

  • Sr. Member
  • ****
  • Posts: 314
Answer to Question 1

Answer: D

Answer to Question 2

Answer: B





 

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

For a complete list of videos, visit our video library