AP Physics 1: Algebra-Based 8.4 B Describe the Flow of a Fluid As a Result of a Difference in Energy Between Two Locations Within the Fluid Earth Questions

Practise AP Physics 1 8.4.B by using Bernoulli’s equation and Torricelli’s theorem to connect fluid pressure, speed and height in ideal-flow situations.

Exam points

Apply Bernoulli’s principle to predict how faster airflow changes pressure and liquid height.
Use Torricelli’s theorem to compare water-exit speeds for openings at different depths.

[Maximum number: 1]

A container of water (pictured below) has two holes in its side allowing two streams of water to emerge as shown. Initially, the lower hole is twice as deep as the higher hole. Which statement best compares the initial velocities of these two streams of water?

Figure for Question AP Physics 1: Algebra-Based 8.4 B Describe the Flow of a Fluid As a Result of a Difference in Energy Between Two Locations Within the Fluid Earth Questions question 1 — AP Physics 1: Algebra-Based

They emerge at the same speed.

The lower stream emerges $2^{1/2}$ times as fast as the upper stream.

The lower stream emerges 2 times as fast as the upper stream.

The lower stream emerges 4 times as fast as the upper stream.

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AP Physics 1: Algebra-Based 8.4 B Describe the Flow of a Fluid As a Result of a Difference in Energy Between Two Locations Within the Fluid Earth Questions question 1