A planet has mass m and radius 4000m in a circular orbit at
A planet has mass M and radius 4000m. In a circular orbit at radius 20,000m and moving at 400m/s, is a rock of mass 2kg.
a) Find the acceleration of the rock, including it's direction.
b) Find M, (mass of the planet).
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a planet has mass m and radius 4000m in a circular orbit at radius 20000m and moving at 400ms is a rock of mass 2kga
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