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Author Question: When a potential difference of 10 V is placed across a certain solid cylindrical resistor, the ... (Read 47 times)

jrubin

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on: Jul 29, 2018
When a potential difference of 10 V is placed across a certain solid cylindrical resistor, the current through it is 2 A. If the diameter of this resistor is now tripled, the current will be
 
  A) 18 A. B) 2/9 A. C) 2 A. D) 3 A. E) 2/3 A.

Question 2

Three cars with identical engines and tires start from rest, and accelerate at their maximum rate. Car X is the most massive, and car Z is the least massive. Which car needs to travel the furthest distance before reaching a speed of 60 mi/h?
 
  A) Car X
  B) Car Y
  C) Car Z
  D) All cars need to travel the same distance, although some cars will take longer than other cars.


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jonathanballen97

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

A

Answer to Question 2

A


jrubin

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

juliaf

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Reply 3 on: Yesterday
Excellent

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