You toss a tennis ball straight upward. At the moment it leaves your hand it is at a height of 1.5 rn above the ground, and lt is moving at a speed of 6.4 ms. (6) How much time does it take for the tennis ball to reach its maximum height? 1' What do you know about the velocity at the maximum height? Knowing this, which constant aooeleration relationship will allow you to nd the time? Be careful of directions and signs. 5 (b) what is the maximum height above the ground that the tennis ball reaches? :lrn (c) When the tennis ball 15 at a height of 2.6 rn above the ground, what ls its speed? mfs