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 16 m/s . The third piece has twice the mass as the...

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 16 m/s . The third piece has twice the mass as the other two.

What is the speed of the third piece?
Express your answer in meters per second.

What is the direction of the third piece?
Express your answer in degrees north of east using two significant figures.