4 years ago

Important!

Physics

2 answers:

lara31 [8.8K]4 years ago

6 0

the awnser is b the color of the solution

9966 [12]4 years ago

4 0

I think that it’s the first one

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A room has a volume of 160 m3. An air-conditioning system is to replace the air in this room every 21.3 minutes, using ducts tha

serious [3.7K]

Answer:

A. 0.204203928 m

b. 0.1443939822

Explanation:

Givens:

Volume (V) = 160 m^3

velocity 1 (v1) = 3.00 m/s

velocity 2 (v2) = 6.00 m/s

Time (t) = 21.3 minutes = 1278 seconds

Side length = ?

V = A*v*t

A = s^2

V = s^2*v*t

s= $\sqrt{\frac{V}{v*t} }$

s = $\sqrt{\frac{V}{v*t} }$ = $\sqrt{\frac{160}{3.00*1278} }$ = 0.204203928 m

s = $\sqrt{\frac{V}{v*t} }$ = $\sqrt{\frac{160}{6.00*1278} }$ = 0.1443939822 m

I hope this helped!! Have a good day.

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3 years ago

What is electrical energy?

olga nikolaevna [1]

Electrical energy is a particle that moves through a wire and transferred into homes, work, etc to make electricity work in objects.

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3 years ago

When you improve your the ability of your muscles to repeatebly exert themselves you are improving your?

Irina-Kira [14]

It is muscular endurance.

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4 years ago

A series circuit has a current of 5 A. The circuit contains 10ohms resistor. What is the voltage of the circuit

d1i1m1o1n [39]

Answer:

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Explanation:

Using Ohm's Law

V= I x R

V= 5 x 10

V = 50 V

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Which statements are true of all scientific endeavors? Check all that apply.

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A<span>ll scientific endeavors involve experimentation.</span>

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