5.5 More Work With Bernoullis Equation Figure 5.7: Two Holes at Different Height

Question

5.5 More Work With Bernoullis Equation Figure 5.7: Two Holes at Different Heights For this section of the lab, we will use a container with two holes at different heights. 1. Before we begin, let us do another thought experiment. Consider what might happen if we were to fill the container with water to a level above both holes. Compare the following and explain your reasoning: a. the velocity of the water exiting the top hole, if the bottom hole is covered, and b. the velocity of the water exiting the bottom hole, if the top hole is covered

Explanation / Answer

a.

Assume the upper hole is at h distance from top water level and the lower hole is at H distance from top water level.

It is obvious from diagram,

H > h

By Torricelli equation,

a. v1 = (2gh) 1/2

b. v2 = (2gH ) 1/2

As H> h , v2 > v1.

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