Two dimensional elastic collision

  • Thread starter mchaparro
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  • #1
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Homework Statement



Two asteroids of equal mass in the asteroid belt between Mars and Jupiter collide with a glancing blow. Asteroid A, which was initially traveling at 40.0 m/s with respect to an inertial frame in which asteroid B was at rest, is deflected 30.0 degrees from its original direction, while asteroid B travels at 45.0 degrees under the x-axis.

I need to find the final velocities of both asteroids.


Homework Equations


402 = VA2 + VB2


The Attempt at a Solution


40 cos 30 and more like that but it's obviously wrong
 

Answers and Replies

  • #2
kuruman
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You need to conserve momentum in the x and y directions.
 

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