A weightlifter goes to lift a 100 kg bar over her head which is 2.0 m in the air. How much work did the weightlifter do to lift the bar?

Explanation:

Given data:

Mass of the bar,

Height,

The work done by the weightlifter can be expressed as,

Here,

F = mg

= angle between the fore and the vertical displacement which

Thus,

i dont know but

explanation:

whoever your teacher is, deserves a raise for using pokemon as an example