Author Question: You toss a ball to a friend. When the ball reaches its maximum altitude, its acceleration A) ... (Read 101 times)

asan beg

  • Hero Member
  • *****
  • Posts: 570
You toss a ball to a friend. When the ball reaches its maximum altitude, its acceleration
 
  A) changes sign.
  B) is zero.
  C) is constant.
  D) is g/2.
  E) is 2g.

Question 2

A habitable zone
 
  A) exists around all stars
  B) only exists around stars which are identical to the Sun
  C) only exists around stars which are similar to our Sun
  D) only exists around one star, the Sun



chereeb

  • Sr. Member
  • ****
  • Posts: 326
Answer to Question 1

C

Answer to Question 2

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?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

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?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

For a complete list of videos, visit our video library