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Author Question: Which one or ones of the following forces extend over macroscopic distances? A) the gravitational ... (Read 40 times)

bobypop

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on: Jul 29, 2018
Which one or ones of the following forces extend over macroscopic distances?
 
  A) the gravitational force
  B) the electromagnetic force
  C) Both of the above.
  D) the strong force
  E) all three: electromagnetic, gravitational, and strong

Question 2

A hunter points a rifle horizontally and holds it 3.30 m above the ground. The bullet leaves the barrel at 325 m/s. Ignore air and assume that free-fall acceleration is 9.80 m/s2.
 
  (a) How long does it take for the bullet to strike the ground? (b) How far horizontally does it travel?


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coyin

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

C

Answer to Question 2

(a) 0.821 s (b) 267 m


bobypop

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Reply #2 on: Jul 29, 2018
TY


coyin

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Reply #3 on: Jul 29, 2018
You're welcome


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