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aivan3 [116]
3 years ago
15

It takes you 7.7 min to walk with an average velocity of 1.7 m/s to the north from the bus stop to the museum entrance. How far

did you walk? Answer in units of m.
Physics
1 answer:
Juli2301 [7.4K]3 years ago
6 0
Distance equals velocity times time:
x = v*t  = 1.7 m/s * 7.7min * 60 s/min = 785.4 m
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What water pressure must a pump that is located on the first floor supply to have water on the thirteenth of a building with a p
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The water pressure on the first floor must be 455 PSI in order to push the water to the 13th floor at the given pressure.

The given parameters;

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The vertical pressure of the water is calculated as follows;

P = \rho gh\\\\\frac{P}{h} = \rho g\\\\\frac{P}{h} = k\\\\\frac{P_1}{h_1} = \frac{P_2}{h_2} \\\\

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The vertical height of the 13 ft floor = 10  ft

P_1 = \frac{P_2 h_1}{h_2} \\\\P_1 = \frac{35 \times 130}{10} \\\\P_1 = 455 \ PSI

Thus, the water pressure on the first floor must be 455 PSI in order to push the water to the 13th floor at the given pressure.

Learn more about vertical height and pressure here: brainly.com/question/15691554

3 0
2 years ago
A boy 12.0 m above the ground in a tree throws a ball for his dog, who is standing right below the tree and starts running the i
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Answer:

Explanation:

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= 8.5 m /s

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