Asked by Alex
6) If a flea has a mass of 2.0x10^2 micrograms jumps vertically to a height of 65mm and 75% of the energy comes from elastic potential energy stored in the protein, determine the initial quantity of elastic potential energy.
drwls said to use:
(1/2)M g H = (0.75)E where E is the potential energy stored in protein and H is the height that the flea can jump.
I don't understand how that would work. Also would you convert 2.0x10^2ug to kg?
drwls said to use:
(1/2)M g H = (0.75)E where E is the potential energy stored in protein and H is the height that the flea can jump.
I don't understand how that would work. Also would you convert 2.0x10^2ug to kg?
Answers
Answered by
bobpursley
He is right. The gravitational PE the flea gains is equal to .75 * the initial stored energy. BTW: energy stored in protein is chemical energy, not elastic.
Yes, convert grams to kg, and H to meters, and of course, g is 9.8m/s^2.
Yes, convert grams to kg, and H to meters, and of course, g is 9.8m/s^2.
Answered by
Alex
I got 8.4x10^-8. Is that right?
Answered by
bobpursley
Energy=.5*200E-6*.065/.75
paste .5*200E-6*.065/.75 into the google search engine.
paste .5*200E-6*.065/.75 into the google search engine.
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