November 28, 2015

Homework Help: physics please help

Posted by Anonymous on Wednesday, October 10, 2007 at 3:32am.

A student standing on the ground throws a ball straight up. The ball leaves the student's hand with a speed of 11.0 m/s when the hand is 1.50 m above the ground.
How long is the ball in the air before it hits the ground? (The student moves her hand out of the way.)

initial velocity is 15 and final velocity is zero. acceleration is 9.8 right.

how does height fit into this equation. isn't that necessary too.

can u please help me. i keep getting .738s as my answer

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