A boy of mass 60 kg stands on a boat of mass 250 kg. This system is stationary. From the boat, the boy throws a rock of mass 1 kg into the water with a velocity of 10 m/s. What is the magnitude and direction of the boat's motion as a result of this?
A) The boat moves in the direction of the rock with a velocity of 31 m/s. B) The boat moves in the direction of the rock with a velocity of 0.02 m/s. C) The boat moves in a direction opposite to the rock with a velocity of 0.03 m/s
D) The boat moves in a direction opposite to the rock with a velocity of 10.1 m/s.