3 years ago

Water flow will be reduced in a pipe if the pipe is constricted. True False

Physics

1 answer:

Alexeev081 [22]3 years ago

5 0

The CORRECT answer is TRUE.

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A drowsy cat spots a flower pot that sails first up and then down past an open window. The pot was in view for a total of 0.56 s

liberstina [14]

Answer:

$h = 0.028 m$

Explanation:

As we know that

$d = \frac{v_2 + v_1}{2} t$

here we have

$1.95 = \frac{v_2 + v_1}{2}(0.56)$

$v_2 + v_1 = 6.96$

also we know

$v_2 - v_1 = at$

$v_2 - v_1 = (9.81)(0.56)$

$v_2 - v_1 = 5.49$

so we have

$v_2 = 6.23 m/s$

$v_1 = 0.74 m/s$

so the height above window is given as

$v_f^2 - v_i^2 = 2 a d$

$0.74^2 - 0 = 2(9.81)h$

$h = 0.028 m$

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4 years ago

I am ion with 17 protons, 18 neutrons, and 18

gtnhenbr [62]

Answer:

chloride, ion, -1, this is an anion

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3 years ago

The measure of how quickly an object’s velocity changes is called

blsea [12.9K]

Acceleration I’m pretty sure

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4 years ago

Read 2 more answers

Can someone please help me?

creativ13 [48]

Answer:

The answer is <u><em> C </em></u>

Explanation:

I looked it up

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4 years ago

how is a pure substance different from a mixture? A. mixtures can be separated by physical means B. Pure substances are made up

Nataliya [291]

Well, a pure substance Is something that isn't mixed with anything else. it is it's own thing, and a mixture can be separated by physical means, so it is A.

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4 years ago