ang3lt3ll3z ang3lt3ll3z

02-04-2022
Physics

contestada

An athlete lifts a 330 N set of weights from ground level to a position over her head, a vertical distance of 2.05 m. Assume the weights are moved at constant speed. a) How much work does the athlete do? b) What is the mass of the weights?

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LegendBrainly LegendBrainly

08-04-2022

Force=330N
Distance=2.05m

Work done:-

Force×Displacement
330(2.05)
676.5J

Now

Apply Newtons second law

F=ma

m is mass

a is acceleration due to gravity (10)

330=10m
m=33kg

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