Planet A has mass 3M and radius R, while Planet B has mass 4M and radius...

   

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Planet A has mass 3M and radius R, while Planet B has mass 4M and radius 2R. They are separated by center-to-center distance 8R. A rock is released halfway between the planets' centers at point O. It is released from rest. Ignore any motion of the planets. -8R- 2R R 4M 3M Planet A Planet B constant, G. (a) Enter an expression for the magnitude of the acceleration of the rock immediately after it is released, in terms of M, R, and the gravitational (b) Calculate the magnitude of the rock's acceleration, in meters per second squared, for M = 5.2x1023 kg and R = 4.110 m. (c) Toward which planet is the rock's acceleration directed? Planet A has mass 3M and radius R, while Planet B has mass 4M and radius 2R. They are separated by center-to-center distance 8R. A rock is released halfway between the planets' centers at point O. It is released from rest. Ignore any motion of the planets. -8R- 2R R 4M 3M Planet A Planet B constant, G. (a) Enter an expression for the magnitude of the acceleration of the rock immediately after it is released, in terms of M, R, and the gravitational (b) Calculate the magnitude of the rock's acceleration, in meters per second squared, for M = 5.2x1023 kg and R = 4.110 m. (c) Toward which planet is the rock's acceleration directed?