On flat ground, a 70 kg person requiresabout 300 W of metabolic power to walk at a steady pace of5.0 km/h 11.4 m/s2. Using the same metabolic power output, that personcan bicycle over the same ground at 15 km/h. how does the energy used in biking 1 km compare with that used in walking 1 km? Biking takes (a) 1/3 of the energy of walking the same distance; (b) the same energy as walking the same distance; (c) 3 times the energy of walking the same distance; (d) 9 times the energy of walking the same distance.
On flat ground, a 70 kg person requiresabout 300 W of metabolic power to walk at a steady pace of5.0 km/h 11.4 m/s2. Using the same metabolic power output, that personcan bicycle over the same ground at 15 km/h. how does the energy used in biking 1 km compare with that used in walking 1 km? Biking takes (a) 1/3 of the energy of walking the same distance; (b) the same energy as walking the same distance; (c) 3 times the energy of walking the same distance; (d) 9 times the energy of walking the same distance.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question
On flat ground, a 70 kg person requires
about 300 W of metabolic power to walk at a steady pace of
5.0 km/h 11.4 m/s2. Using the same metabolic power output, that person
can bicycle over the same ground at 15 km/h. how does the energy used in biking
1 km compare with that used in walking 1 km? Biking takes (a) 1/3
of the
energy
of walking the same distance; (b) the same energy as walking
the same distance; (c) 3 times the energy of walking the same distance;
(d) 9 times the energy of walking the same distance.
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