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Author Question: A 30-N stone is dropped from a height of 10 m and strikes the ground with a speed of 13 m/s. What ... (Read 205 times)

gonzo233

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on: Jul 29, 2018
A 30-N stone is dropped from a height of 10 m and strikes the ground with a speed of 13 m/s. What average force of air friction acted on the stone as it fell?
 
  A) 4.1 N
  B) 2.9 N
  C) 0.13 kN
  D) 7.2 N
  E) 1.2 N

Question 2

Four 16-F capacitors are connected in combination. What is the equivalent capacitance of this combination if they are connected
 
  (a) in series?
  (b) in parallel?
  (c) such that two of them are in parallel with each other and that combination is in series with the remaining two capacitors?


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lucas dlamini

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

A

Answer to Question 2

(a) 4.0 F (b) 64 F (c) 6.4 F


gonzo233

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Reply #2 on: Jul 29, 2018
Thank you!


lucas dlamini

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Reply #3 on: Jul 29, 2018
Always glad to help...


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