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

Author Question: Are the laws of energy conservation of energy, and 2nd law of thermodynamics known for certain to be ... (Read 281 times)

sam.t96

  • Hero Member
  • *****
  • Posts: 570
Are the laws of energy conservation of energy, and 2nd law of thermodynamics known for certain to be true?
 
  A) No; in fact these laws are known to be violated at sufficiently high speeds, small distances, and large distance.
  B) No, because all scientific laws are tentative.
  C) No, for both of the above reasons.
  D) Yes, because despite repeated checking they have never been found to be false.
  E) Yes because, unlike some of the other laws, these laws are true by logical deduction from a priori premises.

Question 2

The torque required to turn the crank on an ice cream maker is 4.50 N  m. How much work does it take to turn the crank through 300 full turns?
 
  A) 2120 J B) 2700 J C) 4240 J D) 1350 J E) 8480 J



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

emilymalinowski12

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

B

Answer to Question 2

E




sam.t96

  • Member
  • Posts: 570
Reply 2 on: Jul 29, 2018
Gracias!


amcvicar

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

For a complete list of videos, visit our video library