:A person on earth with a mass
of 60kg runs up a height of 10m. It takes the
person 20 seconds to reach the height. What is
the person's power (hint: you must calculate
weight first)?
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:A person on earth with a mass
of 60kg runs up a height of 10m. It takes the
person 20 seconds to reach the height. What is
the person's power (hint: you must calculate
weight first)?
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Explanation:
W = Mg
= 60 × 9.8
= 588 N
Power = work/ Time
Work = Force × distance
here distance = height and Weight is also kind of force tht exists on the earth due to gravity
Work = F × S
= 588 × 10 = 5880J
Power = 5880/ 20 = 294W