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

Author Question: Adisa pulls a 50-N crate up a 5.0-m long inclined plane at a constant velocity. If the plane is ... (Read 168 times)

Tirant22

  • Hero Member
  • *****
  • Posts: 532
on: Jul 28, 2018
Adisa pulls a 50-N crate up a 5.0-m long inclined plane at a constant velocity. If the plane is inclined at an angle of 37 to the horizontal and there is a constant force of friction of 10 N between the crate and the surface, what is the net change in potential energy of the crate?
 a. 120 J
  c. 250 J
  b. -120 J
  d. 150 J

Question 2

A 1.0-kg chunk of ice at 0C melts, absorbing 80,000 cal of heat in the process. Which of the following best describes what happens to this system?
 a. increased entropy
  c. entropy maintained constant
  b. lost entropy
  d. work converted to energy


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

olivia_paige29

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

A


Tirant22

  • Member
  • Posts: 532
Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

mcabuhat

  • Member
  • Posts: 344
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

The Role of the Hippocampus and Cerebral Cortex in Long-Term Memory Storage The Role of the Hippocampus and Cerebral Cortex in Long-Term Memory Storage
Major trunk lines carrying long-distance traffic crisscrossed the area east of the Mississippi. The Major trunk lines carrying long-distance traffic crisscrossed the area east of the Mississippi. The
A very thin uniform rod, 2.40 m long and of weight 135 N, has a frictionless hinge at its lower ... A very thin uniform rod, 2.40 m long and of weight 135 N, has a frictionless hinge at its lower ...
Write equilibrium constant expressions for the following reactions in terms of concentration: Write equilibrium constant expressions for the following reactions in terms of concentration:
The Hotair long noncoding RNA regulates chromatin The Hotair long noncoding RNA regulates chromatin
Greater Long-nosed Tree Shrew (Tupaia tana), Borneo and Sumatra. Greater Long-nosed Tree Shrew (Tupaia tana), Borneo and Sumatra.
Video: Introduction to Breast Cancer

For a complete list of videos, visit our video library