Question: these two pleae! (8pts) Solve the problem. 19) A ball dropped from the top of a building has a height of s - 576 -

these two pleae!

(8pts) Solve the problem. 19) A ball dropped from the top of a building has a height of s - 576 - 16t2 meters after t seconds. How long does it take the ball to reach the ground? What is the ball's velocity at the moment of impact? Extra credit: 20) (10pts) Water is being drained from a container which has the shape of an inverted right circular cone. The container has a radius of 7.00 inches at the top and a height of 9.00 inches. At the instant when the water in the container is 8.00 inches deep, the surface level is falling at a rate of 1.4 in./sec. Find the rate at which water is being drained from the container. (Note: The volume of a cone is V=(1/3).xr2n - Where is the radius and his the height) 7

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