« previous next »

Author Question: Two tennis balls fall through the air from a tall building. One of them is filled with lead pellets. ... (Read 132 times)

corkyiscool3328

  • Hero Member
  • *****
  • Posts: 539
on: Jul 29, 2018
Two tennis balls fall through the air from a tall building. One of them is filled with lead pellets. The ball to reach the ground first is the
 
  A) regular ball.
  B) lead-filled ball.
  C) same for both

Question 2

A ball thrown straight upward takes 10 seconds for its up-and-down round trip. Because of air resistance, the time taken for the ball just to go up is
 
  A) less than 5 s.
  B) 5 s.
  C) more than 5 s.


jharrington11

  • Sr. Member
  • ****
  • Posts: 365
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

corkyiscool3328

  • Hero Member
  • *****
  • Posts: 539
Reply #2 on: Jul 29, 2018
Thank you!


jharrington11

  • Sr. Member
  • ****
  • Posts: 365
Reply #3 on: Jul 29, 2018
Always glad to help...


« previous next »
 

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Vertebral compression Fractures of the spine (vertebra) can cause severe ”band-like” pain that radia Vertebral compression Fractures of the spine (vertebra) can cause severe ”band-like” pain that radia
Tall Coneflower Tall Coneflower
Building competency in patient centered care Building competency in patient centered care
A the subfossil lemurs of Madagascar filled a variety of niches occupied elsewhere by monkeys, as sh A the subfossil lemurs of Madagascar filled a variety of niches occupied elsewhere by monkeys, as sh
Place the tennis balls in a sock on the floor behind you, then lie with the middle of your thoracic ... Place the tennis balls in a sock on the floor behind you, then lie with the middle of your thoracic ...
Two wells are filled with different antigens and when they diffuse, they form lines that cross which ... Two wells are filled with different antigens and when they diffuse, they form lines that cross which ...
Video: Glomerular filtrate rate: pressures that affect GFR, NFP & GFR and blood composition

For a complete list of videos, visit our video library