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Author Question: Which of the following is a unit of energy: a. watt b. ftlb/sec c. newton/sec. d. horsepower e. ... (Read 76 times)

krzymel

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on: Jul 28, 2018
Which of the following is a unit of energy:
 a. watt b. ftlb/sec c. newton/sec. d. horsepower e. joule

Question 2

The initial speed of a cannon ball is 0.20 km/s. If the ball is to strike a target that is at a horizontal distance of 3.0 km from the cannon, what is the minimum time of flight for the ball?
 a. 16 s
  b. 21 s
  c. 24 s
  d. 14 s
  e. 19 s


strudel15

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Reply #1 on: Jul 28, 2018
Answer to Question 1

e

Answer to Question 2

A


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krzymel

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Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


strudel15

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Reply #3 on: Jul 28, 2018
Great! Please up vote :D


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