Two objects are on a direct collision course. One has a mass of 10 kgs and a velocity of -20 ms and the second has a mass of 40 kgs and a velocity of 10 ms. After they collide the bodies stick together and continue moving as a single body with no rotation. What speed are the bodies moving at now?

Hint remember: momentum = mass * velocity

and momentum is always conserved.

Answer rating: 100% (QA)

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