Posted by **samm** on Sunday, November 10, 2013 at 8:41pm.

A firecracker in a coconut blows the coconut into three pieces. Two pieces of equal mass fly off south and west, perpendicular to each other, at 21m/s . The third piece has twice the mass as the other two.

What is the speed of the third piece?

What is the direction of the third piece?

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