Question

An eagle that has a mass of 4.5 kg is spotted 5 m above a lake. It flies up to its nest in a tree at a height of 25 m. How much gravitational potential energy did the eagle gain?

Answer 1

Answer: 882 J

Explanation:

Correct on E2020

Answer 2

Potential energy PE= m*g*h

m= mass = 4.5kg

g= gravity = 9.8 m/s^2 (earth)

h= height = height at which the bird flew = (height of the tree)-(height at which the bird is spotted) = 25-5=20

PE = 4.5*9.8*20

PE = 882J

What is potential energy?

• "Potential energy is the energy an object has because of its position. It is measured in Joules."
• The formula for Potential energy is PE= m*g*h

Know more about potential energy here

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