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Physics, 19.11.2019 11:31 sickomode2048

In august 2011, the juno spacecraft was launched from earth with the mission of orbiting jupiter in 2016. the closest distance between jupiter and earth is 391 million miles. (a) if it takes 5.0 years for juno to reach jupiter, what is its average speed in mi/hr over this period? (b) once juno reaches jupiter, what is the minimum amount of time it takes for the transmitted signals to travel from the spacecraft to earth?

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