Time (s) 60 50 ilil 40 30 20 10 Tatiana Bill Ricardo Melanie
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Question
For a physics lab experiment, four classmates run up
the stairs from the basement to the top floor of their physics building—
a vertical distance of 16.0 m. The classmates and their masses are:
Tatiana, 50.2 kg; Bill, 68.2 kg; Ricardo, 81.8 kg; and Melanie, 59.1 kg.
The time it takes each of them is shown in Fig. . (a) Considering
only the work done against gravity, which person had the largest average
power output? The smallest? (b) Chang is very fit and has mass
62.3 kg. If his average power output is 1.00 hp, how many seconds does
it take him to run up the stairs?
Transcribed Image Text:Time (s)
60
50
ilil
40
30
20
10
Tatiana
Bill
Ricardo Melanie
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