For this question, you’re given an unknown device that uses 1.5 W-hour battery. In the spec sheet, power requirements of different modes are shared with you: Mode A uses 6000 mW, Mode B uses 9000 mW, and Mode C uses 3 W Assuming you’ll be using the device in mode C, how long (in terms of minutes) do you think the battery will last theoretically?     answer   1) 1<= t <=5   2) 6<=t<=10   3) 11<=t<=15   4) 16 <=t<=20   5) 21 <=t<=25   6) 26<=t<=30

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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For this question, you’re given an unknown device that uses 1.5 W-hour battery. In the spec sheet, power requirements of different modes are shared with you:

  • Mode A uses 6000 mW,
  • Mode B uses 9000 mW, and
  • Mode C uses 3 W

Assuming you’ll be using the device in mode C, how long (in terms of minutes) do you think the battery will last theoretically?

 

 

answer

 

1) 1<= t <=5

 

2) 6<=t<=10

 

3) 11<=t<=15

 

4) 16 <=t<=20

 

5) 21 <=t<=25

 

6) 26<=t<=30

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