« previous next »

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 37 times)

moongchi

  • Hero Member
  • *****
  • Posts: 516
on: Jul 28, 2018
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
Reply #1 on: Jul 28, 2018
Answer to Question 1

a

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

moongchi

  • Hero Member
  • *****
  • Posts: 516
Reply #2 on: Jul 28, 2018
Thanks


nixon_s

  • Sr. Member
  • ****
  • Posts: 359
Reply #3 on: Jul 28, 2018
Welcome :)


« previous next »
 

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

(c) snow in Nunavut, alter the local albedo, causing altered microclimates. High albedos are found (c) snow in Nunavut, alter the local albedo, causing altered microclimates. High albedos are found
California high desert cottontail eating a carrot California high desert cottontail eating a carrot
Fall Fall
In this cartoon, Boss Tweed welcomes cholera—a skeletal figure of death carrying a handbag from “Asi In this cartoon, Boss Tweed welcomes cholera—a skeletal figure of death carrying a handbag from “Asi
Apply circular fingertip friction on back, moving along spinal muscles from hip to shoulder and over ... Apply circular fingertip friction on back, moving along spinal muscles from hip to shoulder and over ...
Foods made with fat substitutes aren’t calorie free Foods made with fat substitutes aren’t calorie free
Video: Adolescent Diabetes

For a complete list of videos, visit our video library