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Author Question: If there were no gravity, a cannonball fired upward at 45 would follow a straight-line path. Due to ... (Read 190 times)

appyboo

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on: Jul 29, 2018
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


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Jevvish

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: E

Answer to Question 2

Answer: C


appyboo

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Reply 2 on: Jul 29, 2018
Gracias!

duy1981999

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Reply 3 on: Yesterday
:D TYSM

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