physics!!!?

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Hannah rolls a 7.0 kg bowling ball down the alley. One pin is still standing, and Hannah hits it head-on with a velocity of 9.0 m/s. The 2.0 kg pin acquires a forward velocity of 14.0 m/s. What is the velocity of the bowling ball??

2007-10-18 13:07:59 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Physics

1 answers

Since momentum is conserved in the collision
7*9=2*14+7*v
solve for v
v=5

j

2007-10-19 10:54:06 · answer #1 · answered by odu83 7 · 0⤊ 0⤋