Question

3. A man of mass 80 kg standing at the top of a tall
building has 96000 J of G.P.E. How tall is the
building?

Answer 1

Step-by-step explanation:

Gravitational potential energy is:

PE = mgh

Given PE = 96000 J and m = 80 kg:

96000 J = (80 kg) (9.8 m/s²) h

h ≈ 122 m

Round as needed.

Answer 2

A man of mass of 80 kg standing at the top of a tall building has 96000 J of G.P.E. so, the height of the building would be 122 m.

What is Gravitational potential energy?

The gravitational potential energy is defined as the product of mass, acceleration due to gravity, and height.

PE = mgh

Given PE = 96000 J and m = 80 kg

PE = mgh

96000 J = (80 kg) (9.8 m/s²) h

h = 96000 / (80 kg) (9.8 m/s²)

h ≈ 122 m

Thus, The height is 122 m approximately.

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