Calculate the energy needed to accelerate a spaceship of mass 10,000 kg to a speed of 0.3c for intergalactic space exploration. Compare this with a projected annual energy usage on Earth of 1021 J.

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Q: 2-

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Q: 1-

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Q: type your answer. tells how fast work is being done or how fast energy is being transferred.

A: Given information: It is mentioned that which parameter tells us how quickly the work is done.

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