Girl Climbing Rope: Avg Speed & Work Calculated

[Grey_117]

Homework Statement

A 55.0 kg student climbs a 4.00 m long rope and stops at the top.
(a) What must her average speed be in order to match the power output of a 200-W lightbulb?
(M/S)

(b) How much work does she do?
(J)

Homework Equations

Well if i had to guess...they might be

P=W/time total

1/2Mvf^2-1/2mvi^2

The Attempt at a Solution

 

[catkin]

It's OK to be unsure of the relevant equations but not OK when you only give the question. The forum is here to help you, not to do your homework for you.

So don't be shy; which equations do you even half-suspect may be relevant?