A horizontal channel is cut into the side of a concrete pool, so that water flows out at a rate of 1.71 m/s, and then falls into a second pool. The vertical distance between the bottom of the channel and the top of the second pool is  h = 3.30 m (see figure, image ). A woman standing on a walkway in front of a flow of water is shown. The water flows from an elevated surface, which is to the left of the woman and has height h above the walkway, and lands in a pool to her right. The walkway is in the space between where the flow originates

Inquiry into Physics
8th Edition
ISBN:9781337515863
Author:Ostdiek
Publisher:Ostdiek
ChapterA: Appendix
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A horizontal channel is cut into the side of a concrete pool, so that water flows out at a rate of 1.71 m/s, and then falls into a second pool. The vertical distance between the bottom of the channel and the top of the second pool is 
h = 3.30 m
(see figure, image ).
A woman standing on a walkway in front of a flow of water is shown. The water flows from an elevated surface, which is to the left of the woman and has height h above the walkway, and lands in a pool to her right. The walkway is in the space between where the flow originates and the pool.
 
(a) A walkway between the upper and lower pools is 1 m wide. Will the water hit the walkway?
Answer:Yes or No    
 
(b) A scale model of the two pools and walkway is one-seventeenth the actual size. What must the minimum speed (in m/s) of the water leaving the channel be so that the model walkway stays dry?
  Answer: ____________m/s
 
You are working as an assistant to a landscape architect, who is planning an artificial waterfall in a city park. Water flowing at 1.85 m/s will leave the end of a horizontal channel at the top of a vertical wall 
h = 2.85 m high, and from there it will fall into a pool (see the figure below). A woman standing on a walkway in front of a flow of water is shown. The water flows from an elevated surface, which is to the left of the woman and has height h above the walkway, and lands in a pool to her right. The walkway is in the space between where the flow originates and the pool.
 
(c) The architect has asked you to determine if the space behind the waterfall will be wide enough for a pedestrian walkway. (Enter the maximum width, in meters, of a walkway behind the waterfall.)
 Answer:____________m
 
(d) To sell her plan to the city council, the architect wants to build a model to standard scale, which is one-twelfth actual size. She asks you to design and build the model, with the important question being: how fast (in m/s) should the water flow in the channel in the model?
Answer:_____________m/s

h
Transcribed Image Text:h
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