Posted by **PLEASE PHYSICS HELP** on Friday, October 21, 2011 at 11:34pm.

2.6 kg mass

initial velocity of v1 =aˆi,

where a = 5.95 m/s collides with and

sticks to a 1.59 kg mass with an initial velocity

of v1 = bˆj, where b = −4.8 m/s.

Find the final speed of the composite mass.

Answer in units of m/s

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