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Velocity of coment?? help please
A certain comet of mass m at its closest approach to the Sun is observed to be at a distance r1 from the center of the Sun, moving with speed v1. At a later time the comet is observed to be at a distance r2 from the center of the Sun, and the angle between r2 and the velocity vector is measured to be θ. What is v2? For example, if a variable g is used in the question, type g. Use theta for θ, r_1 for r1, r_2 for r2, v_1 for v1 and m as needed.
pic is attached so you can see what I am looking at as well.
im completely stuck don't even know where to begin!
Homework Statement
A certain comet of mass m at its closest approach to the Sun is observed to be at a distance r1 from the center of the Sun, moving with speed v1. At a later time the comet is observed to be at a distance r2 from the center of the Sun, and the angle between r2 and the velocity vector is measured to be θ. What is v2? For example, if a variable g is used in the question, type g. Use theta for θ, r_1 for r1, r_2 for r2, v_1 for v1 and m as needed.
pic is attached so you can see what I am looking at as well.
im completely stuck don't even know where to begin!
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