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Author Question: Would switching your home from incandescent to compact fluorescent bulbs be a measure you would ... (Read 73 times)

segrsyd

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on: Jul 28, 2018
Would switching your home from incandescent to compact fluorescent bulbs be a measure you would take? Why or why not? Explain your answer.
 
  What will be an ideal response?

Question 2

A force F is exerted on an object of mass m. A force twice as large (2F) will cause a mass 2m to change its velocity by a certain amount. Explain the relation between the change in velocity due to force F and that due to force 2F.
 
  What will be an ideal response?


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cassie_ragen

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

We hope that they will make such a change. To be sure, the initial investment is
high, and some families might be too poor to afford the cost, even though they would
recoup the cost very rapidly. Look for some logic in the students' explanations.

Answer to Question 2

If the force exerted on the mass is twice as large and the mass is also twice as
large, the acceleration (the rate of change in velocity) is the same in both cases.


segrsyd

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


cassie_ragen

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


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