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Author Question: An ideal air-filled parallel plate capacitor with plate a separation of 4.0 cm has a plate area of ... (Read 167 times)

jon_i

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on: Jul 29, 2018
An ideal air-filled parallel plate capacitor with plate a separation of 4.0 cm has a plate area of 0.040 m2. What is the capacitance of this capacitor with air between these plates? (0 = 8.85  10-12 C2/N  m2)
 
  A) 89 pF B) 8.9 nF C) 8.9 pF D) 0.89 pF E) 8.9 F

Question 2

A hobbyist launches a projectile from ground level on a horizontal plain. It reaches a maximum height of 72.3 m and lands 111 m from the launch point, with no appreciable air resistance. What was the angle of launch if g = 9.80 m/s2?
 
  A) 69.0
  B) 67.4
  C) 22.6
  D) 44.8


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bigsis44

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

C

Answer to Question 2

A


jon_i

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

Jsherida

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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