[Example (Achieve HW)] The human body is only about 25% efficient. How much power šš must an 80.0-kg runner produce in order to run at a constant speed of 3.95 m/s up a 5.00Ā° incline?
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Neglecting extraneous factors like wind resistance, and given that the human body is only about 25% efficient, how much power P must an 80.0-kg runner produce in order to run at a constant speed of 3.95 m/s up a 7.00Ā° incline (W)?
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Neglecting extraneous factors like wind resistance, and given that the human body is only about $25 \%$ efficient, how much power must an $80.0-\mathrm{kg}$ runner produce in order to run at a constant speed of $3.75 \mathrm{~m} / \mathrm{s}$ up an $8.0^{\circ}$ incline? Example 6-14
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