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15-09-2020
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an eagle has a mass of 8 kg and is flying 85 m above the ground with a speed of 20 m/s

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michi91 michi91

15-09-2020

Assuming you’re solving for the total mechanical energy, you use the following equation:

total mechanical energy=KE+PE
KE = (1/2)mv^2
=(1/2)x8x20^2=1600 J
PE= mgh
g≈10 m/s^2

=8x10x85=6800 J

total mechanical energy =1600+6800=8400 J

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