alyssa898157 alyssa898157

10-10-2019
Physics

contestada

Sitting in a chairlift, Rebecca has a gravitational potential energy of 5,997.6
J. If Rebecca has a mass of 51 kg, how high off the ground is the lift?
OA) 6 m
OB) 12 m
OC) 118 m
OD) 612 m

Respuesta :

MathPhys MathPhys

10-10-2019

Answer:

B) 12 m

Explanation:

Gravitational potential energy is:

PE = mgh

Given PE = 5997.6 J, and m = 51 kg:

5997.6 J = (51 kg) (9.8 m/s²) h

h = 12 m

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