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max2010maxim [7]
3 years ago
13

Which of the following statements describes the movement of air?

Physics
1 answer:
Nutka1998 [239]3 years ago
3 0
The movement of air flows from high pressure to low pressure
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A battery supplies 0.71 A to three resistors connected in parallel. The current through the first resistor is 0.27 A and the cur
Yuki888 [10]

Answer:

0.2 A

Explanation:

Current: This is the rate of flow of charge in a circuit. The S.I unit of charge is Ampere (A).

Note: When resistors are connected in parallel, the total current is equal to the sum of the individual current in each resistor.

It = I1 + I2 + I3......................... Equation 1

Where,

It = Total current, I1 = current in the first resistor, I2 = current in the second resistor, I3 = current in the third resistor.

Given: It = 0.71 A, I1 = 0.27 A, I2 = 0.24 A.

Substitute into equation 1

0.71 = 0.27+0.24+I3

0.71 = 0.51+I3

I3 = 0.2 A.

Hence the current through the third resistor = 0.2 A

3 0
3 years ago
Why do you think festival dances should be introduced to the younger generations of today​
Nimfa-mama [501]

Answer:

Festival dances should be introduced to the younger generations of today because they teach them about different cultures. Festival dances are also a way to be active and have a fun time.

Explanation:

4 0
3 years ago
Read 2 more answers
A truck is traveling 20m/s accelerates 3 m/s^2 for 4 seconds how far did it travel while it was accelerating. Using guess method
stellarik [79]
<h3>\huge\underline\bold\blue{ƛƝƧƜЄƦ}</h3><h3>Given</h3>

\blue\star v = 20m\s

\blue\star a = 3m\s^2

\blue\star t = 4sec

Firstly we have to find u

\star a = \dfrac{v - u}{t}

\star 3m\s =\dfrac{20 - u}{4}

\star12m\s = 20 - u

\star20 - u = 12m\s

\star- u = -8

\star u = 8

Now we can easily find distance by using second equation of motion

\red\stars = ut + 1\2 at^2

\red\stars = 8(4) + 1\2(3)(16)

\red\stars = 32 + 24

\red\stars = 56

So distance is 56 m\s hope it helps

5 0
3 years ago
Diagram the cross section of a graduated cylinder, illustrating how to read the meniscus.
Gre4nikov [31]
<span>When taking the reading you must see where the lower meniscus lies . The value at which the lower meniscus lies is your reading .</span>
3 0
2 years ago
Read 2 more answers
The basic barometer can be used to measure the height of a building. If the barometric readings at the top and the bottom of a b
erma4kov [3.2K]

Answer:

h = 269.6 m

Explanation:

Pressure at the bottom of the building and at the top of the building must be related as

P_{top} = P_{bottom} - \rho g h

P_{top} = 730 mm Hg

P_{bottom} = 755 mm Hg

now we will have

(755 \times 10^{-3})(13.6 \times 10^3)(9.81) = P_{bottom}

P_{bottom} = 1.007 \times 10^5 Pa

P_{top} = (730\times 10^{-3})(13.6 \times 10^3)(9.81)

P_{top} = 0.974 \times 10^5

now we have

(1.007 - 0.974)\times 10^5 = 1.25 (9.81) h

h = 269.6 m

7 0
3 years ago
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