Homework Help: physics

Posted by jesse on Wednesday, January 26, 2011 at 9:25pm.

Two carts with masses of 15.5 kg and 1.0 kg, respectively, move in opposite directions on a frictionless horizontal track with speeds of 6.0 m/s and 2.0 m/s, respectively. The carts stick together after colliding head-on. Find the final speed of the two carts.
m/s

physics - Issy, Wednesday, April 25, 2012 at 3:25pm
(15.5 x 6.0) + (1.0 x 2.0) = 92 kgm/s
92/16.5 = 5.58 m/s (2d.p)

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