Author Question: Two tennis balls fall through the air from a tall building. One of them is filled with lead pellets. ... (Read 134 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?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

For a complete list of videos, visit our video library