Author Question: Two tennis balls fall through the air from a tall building. One of them is filled with lead pellets. ... (Read 144 times)

corkyiscool3328

  • Hero Member
  • *****
  • Posts: 539
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
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


 

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

For a complete list of videos, visit our video library