Water flows through a horizontal pipe. the diameter of the pipe at point b is larger than the diameter of the pipe at point a. where is the speed of the water the greatest?
a. the speed of the water is the greatest at point b. b. the speed of the water is the same at both points. c. the speed of the water is the greatest at point a. d. the speed of the water cannot be determined without additional information.

Astone is dropped from the upper observation deck of a tower, 250 m above the ground. (assume g = 9.8 m/s2.) (a) find the distance (in meters) of the stone above ground level at time t. h(t) = (b) how long does it take the stone to reach the ground? (round your answer to two decimal places.) s (c) with what velocity does it strike the ground? (round your answer to one decimal place.) m/s (d) if the stone is thrown downward with a speed of 2 m/s, how long does it take to reach the ground? (round your answer to two decimal places.) s