leannawheatley35 leannawheatley35

27-01-2021
Physics

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How fast did Newton decide a cannon ball shot out in order to escape Earth’s gravity?

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27-01-2021

Plugging in for the Earth's mass and for G, we have 11.2 km/s for the escape velocity for an object launched from the Earth's surface. This is about 25,000 miles per hour

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