Physics calculus based
posted by JASON .
Consider the Sun to be at the origin of an xycoordinate system. A telescope spots an asteroid in the xyplane at a position given by (x, y) with a velocity given by (vx, vy).
[DATA: (x, y) = (3.3, 5.2) ×10^11 m;
(vx, vy) = (6.1, 4.0) ×10^3 m/s.]
(A) What will the asteroid's speed be at closest approach (perihelion)?
(B) What will the asteroid's distance from the Sun be at closest approach?
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