« previous next »

Author Question: Two tennis balls fall through the air from a tall building. One of them is filled with lead pellets. ... (Read 148 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?

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

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

One Extinction May Lead to Another One Extinction May Lead to Another
Blood-typing and cross-reactions: The blood type depends on the presence of surface antigens (agglut Blood-typing and cross-reactions: The blood type depends on the presence of surface antigens (agglut
Tall Meadow Rue Tall Meadow Rue
Building competency in safety Building competency in safety
Teresa Hubbard and Alexander Birchler, Detached Building. Teresa Hubbard and Alexander Birchler, Detached Building.
Subduction and Mountain Building Subduction and Mountain Building
Video: Effect of the environment on coat color in the Himalayan rabbit Animation

For a complete list of videos, visit our video library