Question

Suppose a 4,000-kg elephant is hoisted 20 m above Earth’s surface. What will the elephant’s gravitational potential energy be? (Show your work in the space below.)

Answer 1

Answer: 784000 J or 784 KJ

Explanation:

U = m * g * h

U = 4000 * 9.8 * 20

U = 784000 J

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