- #1

derpydashie6167

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- Homework Statement
- A 71.5-kg hiker starts at an elevation of 1300 m and climbs to the top of a peak 2680 m high. What is the minimum work required of the hiker?

- Relevant Equations
- w=(Fcos[theta])d

F=ma

PE=mgh

f=ma=71.5*9.8 = 700.7 I know this is not right because he is also going up against gravity but I don't know what else to use for acceleration. I don't know the angle but I assume it is a 90 degree cliff.

w = (Fcos90)1380 = 0. But zero is not the correct answer.

w = (Fcos90)1380 = 0. But zero is not the correct answer.

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