Who has the most power? athlete a (bench presses 100 kg over 0.6 m in 0.5 s) athlete b (bench presses 150 kg over 0.6 m in 1.0 s) athlete c (bench presses 200 kg over 0.6 m in 2.0 s) athlete d (bench presses 250 kg over 0.6 m in 2.5 s)
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Ответ:
Athlete A
Explanation:
Power is the rate of doing work and it is calculated as follows:
Power = work done/time taken = mgh/t
(for work being done against gravity)
So for athlete A
P = (100 kg * 9.8 N/kg* 0.6m)/0.5 s = 1176 W
For athlete B
P = (150 kg * 9.8 N/kg* 0.6m)/1 s = 882 W
For athlete C
P = (200 kg * 9.8 N/kg* 0.6m)/2 s = 588 W
For athlete D
P = (250 kg * 9.8 N/kg* 0.6m)/2.5 s = 588
Ответ:
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Explanation:
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