A rocket is projected upward from the earth's surface (r = RE) with an initial speed v0 that carries it to a distance r = 1.2 RE from the center of the earth. What is the launch speed v0? Assume that air friction can be ignored.

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A rocket is projected upward from the earth's surface (r = RE) with an initial speed v0 that carries it to a distance r = 1.2 RE from the center of the earth. What is the launch speed v0? Assume that air friction can be ignored.

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