# Problem: A student standing on the ground throws a ball straight up. The ball leaves the students hand with a speed of 16.0 m/s when the hand is 2.10 m above the ground.You may want to review (Pages 49 - 51). For help with math skills, you may want to review: Quadratic Equations For general problem-solving tips and strategies for this topic, you may want to view a Video Tutor Solution of Time in the air for a tossed ball. How long is the ball in the air before it hits the ground? (The student moves her hand out of the way.)

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###### Problem Details
A student standing on the ground throws a ball straight up. The ball leaves the students hand with a speed of 16.0 m/s when the hand is 2.10 m above the ground.

You may want to review (Pages 49 - 51).

For help with math skills, you may want to review:

For general problem-solving tips and strategies for this topic, you may want to view a Video Tutor Solution of Time in the air for a tossed ball.

How long is the ball in the air before it hits the ground? (The student moves her hand out of the way.)