Europa, a satellite of Jupiter, appears to have an ocean beneath its icy surface. Proposals have...

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Europa, a satellite of Jupiter, appears to have an ocean beneathits icy surface. Proposals have been made to send a roboticsubmarine to Europa to see if there might be life there. There isno atmosphere on Europa, and we shall assume that the surface iceis thin enough that we can ignore its weight and that the oceansare fresh water having the same density as on the earth. The massand diameter of Europa have been measured to be 4.78Ã—1022 kg and3130 km , respectively
If the submarine intends to submerge to a depth of 70.0 m , whatpressure must it be designed to withstand?
If you wanted to test this submarine before sending it toEuropa, how deep would it have to go in our oceans to experiencethe same gauge pressure on Earth as the pressure at a depth of 70.0m on Europa?

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4.1 Ratings (691 Votes)

Acceleration due to gravity on surface of a planet is given by aGmr2 where a is acceleration due to gravity G is gravitational constant6671011 Nm2kg2 m is mass of the planet r is radius of the planet Also See Answer

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