A small rock passes a massive star, following the path shown in red on the diagram above. When the rock is a distance 4e+13 m (indicated as d1 on the diagram) from the center of the star, the magnitude of its momentum p1 is 1.1e+17 kg ·m/s, and the angle α is 116 degrees. At a later time, when the rock is a distance d2 = 8.4e+12 m from the center of the star, it is heading in the -y direction. There are no other massive objects nearby.

Question

What is the magnitude of the momentum p2?

i am not able to show the picture. but i think you can get it without it?

Answer 1

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