February 19, 2017

Homework Help: physics

Posted by Ty on Thursday, December 13, 2007 at 5:54pm.

Hi! I have a problem for physics homework and I though I knew how to solve it but apparently it is wrong, please help!

'Two cars, one of mass 1000 kg, and the second of mass 2400 kg, are moving at right angles to each other when they collide and stick together. The initial velocity of the first car is 11 m/s in the positive x direction and that of the second car is 19 m/s in the positive y direction.
What is the magnitude of the velocity of the wreckage of the two crs immediately after the collision? Answer in units of m/s"

I did (1000*11)+(2400*19)=3400*v3
is that correct?

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