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OpenStudy (anonymous):
a small dog is trained to jump straight up a distance of 1.2m how much kinetic energy does the 7.2-kg dog need to jump this high (the accerlation due to gravity is 9. 8m/2 show yourk
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OpenStudy (anonymous):
If there is no resistance, you can say that PE=KE. With the given data, it is easier to find potential energy = mgh = 7.2*9.8*1.2=answer
OpenStudy (shamim):
Feel free to ask if u face any confusion?
OpenStudy (shamim):
This potential energy is at 1.2m height
OpenStudy (shamim):
Kinetic energy of dog on ground is equal to potential energy at 1.2m height
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