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

Author Question: A 20-N crate starting at rest slides down a rough 5.0-m long ramp, inclined at 25 with the ... (Read 96 times)

Jipu 123

  • Hero Member
  • *****
  • Posts: 569
A 20-N crate starting at rest slides down a rough 5.0-m long ramp, inclined at 25 with the horizontal. 30 J of energy is lost to friction. What will be the speed of the crate at the bottom of the incline?
 a. 0.98 m/s
  c. 3.5 m/s
  b. 2.1 m/s
  d. 4.7 m/s

Question 2

According to the first law of thermodynamics, for any process that may occur within an isolated system, which of the following choices applies?
 a. entropy remains constant
  c. entropy decreases
  b. entropy increases
  d. None of the above choices apply.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Bison

  • Sr. Member
  • ****
  • Posts: 342
Answer to Question 1

C

Answer to Question 2

D



Jipu 123

  • Hero Member
  • *****
  • Posts: 569
Both answers were spot on, thank you once again



Bison

  • Sr. Member
  • ****
  • Posts: 342

 

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

For a complete list of videos, visit our video library