This topic contains a solution. Click here to go to the answer

Author Question: If there were no gravity, a cannonball fired upward at 45 would follow a straight-line path. Due to ... (Read 155 times)

appyboo

  • Hero Member
  • *****
  • Posts: 527
If there were no gravity, a cannonball fired upward at 45 would follow a straight-line path. Due to gravity, however, at the end of 3 s it is
 
  A) 5 m below the straight line.
  B) 10 m below the straight line.
  C) 15 m below the straight line.
  D) 20 m below the straight line.
  E) more than 20 m below the straight line.

Question 2

Neglecting air resistance, after a ball leaves your hand when you toss it upward, the force on it
 
  A) gradually decreases until the ball reaches the top of its path.
  B) first acts upward and then downward after reaching the top.
  C) is only the force due to gravity, always directed downward.
  D) none of the above



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jevvish

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

Answer: E

Answer to Question 2

Answer: C




appyboo

  • Member
  • Posts: 527
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review


vickybb89

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

For a complete list of videos, visit our video library