In terms of Horse Power, a healthy person can produce and sustain which among the following ranges of powers for considerable time?
[A]0.05-0.1 HP
[B]1.0 – 2.0 HP
[C]1.5 – 3.5 HP
[D]0.1 – 0.2 HP

0.05-0.1 HP
When considering human-powered equipment, a healthy human can produce about 1.2 hp briefly and sustain about 0.1 hp indefinitely; trained athletes can manage up to about 2.5 hp briefly and 0.3 hp for a period of several hours.