Saturday, December 5, 2009

Rock is tossed straight up with a speed of 26m/s When it returns, it falls into a hole 13m deep. whats the roc?

rock is tossed straight up with a speed of 26m/s When it returns, it falls into a hole 13m deep. whats the rock's velocity at the bottom of the hole?Rock is tossed straight up with a speed of 26m/s When it returns, it falls into a hole 13m deep. whats the roc?
vf = - sqrt(vi虏 + 2ad)


vf = - sqrt[26虏 + 2(-9.8)(-13)]


vf = - 31 m/s

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