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quester [9]
3 years ago
11

Missions to mars are feasible only once every two years ?

Chemistry
1 answer:
krek1111 [17]3 years ago
6 0

Answer:

Yes.

Explanation:

If you want to use the least fuel, then missions to Mars are feasible every two years.

You want to launch when Earth and Mars are close together, and this happens <em>about every 26 months</em>.

However, Earth travels faster than Mars, so the spaceship must launch when Mars is 44° <em>ahead </em>of Earth in its orbit.

The ship will then use the most efficient trajectory to arrive at Mars.

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If a 12-volt battery produces a current of 20 amps, what is the resistance?
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