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

Author Question: How old is Earth, according to the vast majority of scientists? A) a few thousand years B) ... (Read 53 times)

Anajune7

  • Hero Member
  • *****
  • Posts: 574
How old is Earth, according to the vast majority of scientists?
 
  A) a few thousand years
  B) about 100 billion years
  C) a few billion years
  D) about a billion years
  E) a few million years

Question 2

A hockey puck slides across a frozen pond. If ice friction and air resistance are neglected, the force needed to keep the puck sliding at constant velocity is
 
  A) 0 N.
  B) equal to the weight of the puck.
  C) the weight of the puck divided by the mass of the puck.
  D) the mass of the puck multiplied by 10 m/s2.
  E) none of the above



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Madisongo23

  • Sr. Member
  • ****
  • Posts: 325
Answer to Question 1

C

Answer to Question 2

Answer: A



Anajune7

  • Hero Member
  • *****
  • Posts: 574
Both answers were spot on, thank you once again



Madisongo23

  • Sr. Member
  • ****
  • Posts: 325

 

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?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

For a complete list of videos, visit our video library