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In: Physics

what is the gravitational acceleration ON the surface of Mars, if its mass is 6.39∙1023 kg,...

what is the gravitational acceleration ON the surface of Mars, if its mass is 6.39∙1023 kg, and the
radius is 3.39∙106 m? (b) How many times is this acceleration greater than the gravitational
acceleration at the location OF Mars, provided by the Sun (mass of the Sun is 1.99∙1030 kg, and the
radius of Mars’ orbit is 2.28∙1011 m)? (c) If it takes Mars 687 days to complete one revolution around
the Sun, calculate Mars’ tangential and the angular velocity

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