This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A 15.0-kg crate, initially at rest, slides down a ramp 4.0 m long and inclined at an angle of 20 ... (Read 57 times)

maychende

  • Hero Member
  • *****
  • Posts: 556
on: Jul 28, 2018
A 15.0-kg crate, initially at rest, slides down a ramp 4.0 m long and inclined at an angle of 20 with the horizontal. If there is no friction between ramp surface and crate, what is the kinetic energy of the crate at the bottom of the ramp? (g = 9.8 m/s2)
 a. 200 J
  c. 10 J
  b. 690 J
  d. 100 J

Question 2

A 4-mol ideal gas system undergoes an adiabatic process where it expands and does 28 J of work on its environment. How much heat is received by the system?
 a. -20 J
  c. +28 J
  b. zero
  d. +7 J


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nekcihc358

  • Sr. Member
  • ****
  • Posts: 327
Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

B


maychende

  • Member
  • Posts: 556
Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review

samiel-sayed

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

A 19-foot-long blue whale skull in the collections of the Smithsonian Museum of Natural History A 19-foot-long blue whale skull in the collections of the Smithsonian Museum of Natural History
The features found in a long bone. The features found in a long bone.
Preparing Slides Preparing Slides
Surface winds travel at an angle across isobars, toward low pressure. Surface winds travel at an angle across isobars, toward low pressure.
How to solve angle of elevation problems in right triangles How to solve angle of elevation problems in right triangles
How to find the antiderivative of double-angle trigonometric functions, sin(2x), cos(2x), etc. How to find the antiderivative of double-angle trigonometric functions, sin(2x), cos(2x), etc.
Video: Darwin's Observation (Fossils, Galapagos Islands & Africa ) and Natural Selection (Adaptive Traits)

For a complete list of videos, visit our video library