Tuesday 16 April 2013

4.4 know and use the relationship between useful energy output, total energy input and efficiency


useful energy output / total energy input= efficiency
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3 comments:

  1. Unknown21 May 2016 at 05:41

    im guessing you just x100 to get a percentage if you are looking for percentage efficiency.

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    1. Unknown28 November 2016 at 10:20

      yeh you do. even for a tennis ball you can work out its efficiency in a drop test. the height the ball comes back up from the drop devided by the height it was dropped from.

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  2. Unknown8 December 2019 at 07:41

    lol

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