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

Author Question: As an object is lowered into a deep hole in the surface of the Earth, which of the following must be ... (Read 46 times)

jon_i

  • Hero Member
  • *****
  • Posts: 549
on: Jul 28, 2018
As an object is lowered into a deep hole in the surface of the Earth, which of the following must be assumed in regard to its potential energy?
 a. It increases.
  b. It decreases.
  c. It remains constant.
  d. One cannot tell from the information given.

Question 2

A closed 2.0-L container holds 3.0 mol of an ideal gas. If 150 J of heat is added, what is the change in internal energy of the system?
 a. zero
  c. 150 J
  b. 100 J
  d. 200 J


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lorealeza77

  • Sr. Member
  • ****
  • Posts: 356
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

C


jon_i

  • Hero Member
  • *****
  • Posts: 549
Reply #2 on: Jul 28, 2018
TY


lorealeza77

  • Sr. Member
  • ****
  • Posts: 356
Reply #3 on: Jul 28, 2018
You're welcome


« previous next »
 

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

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?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

About to break the surface for air at Kona, Hawaii About to break the surface for air at Kona, Hawaii
The Venusian Surface The Venusian Surface
Benvenuto Cellini, Saltcellar: Neptune (Sea) and Tellus (Earth). Benvenuto Cellini, Saltcellar: Neptune (Sea) and Tellus (Earth).
Short-wavelength flux is reflected by Earth Short-wavelength flux is reflected by Earth
Earth’s Spheres Earth’s Spheres
Elephant herd drinking at water hole. Botswana Elephant herd drinking at water hole. Botswana
Video: Types of disease resistance: innate defenses & immunity

For a complete list of videos, visit our video library