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Physics, 20.09.2020 16:01 shotocaffe
A human-operated spaceship reaches the moon in 3 days. The moon is about 386,400 km from Earth. Mars, our closest planetary neighbor, is, at its closest, about 140 times farther away from us than the moon if Mars stays in place. Assuming a very simple model of the solar system, about how long would it take that same spaceship to reach Mars?(1 point) about 22.5 years about 1 year about 2.5 years about 7.5 years
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A human-operated spaceship reaches the moon in 3 days. The moon is about 386,400 km from Earth. Mars...
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