stephfansanders stephfansanders

23-03-2016
Physics

contestada

you did 200 of work lifting a 150 newton-pack.how high did you lift the bookbag

Respuesta :

23-03-2016

Given:

200J of work

150N pack

Required:

Height you lift the bookbag

Solution:

Work = mg

Where m is the mass, g is the gravity

200J = m(9.8 m/s2)

M = 20.41 kg

potential energy = mgh

where h is the height

150N = (20.41kg)(9.8 m/s2)h

h = 0.75 m

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