(a) How much gravitational potential energy (relative to the ground on which it is built) is stored in an Egyptian pyramid, given its mass is about 9 10 9 kg and its center of mass is 47 0 m above the surrounding ground (b) What is the ratio of this energy to the daily food intake of a person (1 2 ...

To calculate the gravitational potential energy stored in the Egyptian pyramid we can ...

(a) How much gravitational potential energy (relative to the ground on which it is built) is stored...

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Question:

(a) How much gravitational potential energy (relative to the ground on which it is built) is stored in an Egyptian pyramid, given its mass is about 9 ✕ 10⁹ kg and its center of mass is 47.0 m above the surrounding ground?

(b) What is the ratio of this energy to the daily food intake of a person (1.2 ✕ 10⁷ J)?