Author Question: Mt. Everest is more than 8 000 m high. How fast would an object be moving if it could free fall to ... (Read 74 times)

moongchi

  • Hero Member
  • *****
  • Posts: 516
Mt. Everest is more than 8 000 m high. How fast would an object be moving if it could free fall to sea level after being released from an 8 000-m elevation? (Ignore air resistance.)
 a. 396 m/s
  b. 120 m/s
  c. 1 200 m/s
  d. 12 000 m/s

Question 2

Maria throws two stones from the top edge of a building with a speed of 22 m/s. She throws one straight down and the other straight up. The first one hits the street in a time t1 . How much later is it before the second stone hits?
 a. 5.5 s
  b. 4.5 s
  c. 3.5 s
  d. 6.5 s
 e. Not enough information is given to work this problem.



nixon_s

  • Sr. Member
  • ****
  • Posts: 359
Answer to Question 1

a

Answer to Question 2

b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

There are more bacteria in your mouth than there are people in the world.

For a complete list of videos, visit our video library