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Author Question: A sphere of radius R and mass M is released from rest, and rolls without slipping down a plane ... (Read 501 times)

renzo156

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on: Jul 27, 2018
A sphere of radius R and mass M is released from rest, and rolls without slipping down a plane inclined at angle G above horizontal. What is the speed of the sphere after it has moved a distance L?
 
  What will be an ideal response?

Question 2

A carbon resistor has a resistance of 18  at a temperature of 20C. What is its resistance at a temperature of 120C? (The temperature coefficient of resistivity for carbon is -5.0  10-4 /C.)
 
  A) 18
  B) 17
  C) 16
  D) 15
  E) 14


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debra928

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Reply #1 on: Jul 27, 2018
Answer to Question 1

(5/6 ) g L sin G

Answer to Question 2

B


renzo156

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Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

nanny

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Reply 3 on: Yesterday
Excellent

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