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Anettt [7]
3 years ago
10

What is 3/4 of 12 and 24

Physics
2 answers:
Rufina [12.5K]3 years ago
6 0

Answer:

3/4 of 12 = 16

3/4 of 24 = 32

Those are the answers based on how your question sounded

Explanation:

3241004551 [841]3 years ago
5 0

Answer:

27

Explanation:

3/4 of (12 and 24)

of means ×

and means +

therefore,3/4× (12+24)

3/4×(36)

3×9

27

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How do amplitude and frequency affect light energy? help asap !!!!!!
Lubov Fominskaja [6]
So, I’m assuming that we’re treating light as a propagating wave.


Amplitude measures the amount of energy transported by a wave, thus amplitude squared is directly proportional to the light’s energy. The higher the amplitude, the higher the energy.


Energy is also directly proportional to the frequency of a wave, the higher the frequency, the higher the energy.

I took my second answer from the formula below:

E=cf
7 0
3 years ago
The mass of one atom would best be measured in this unit:
trapecia [35]

Answer:

mass of one atom is measured in the unit of 1 amu

Explanation:

As we know that the mass of one atom is very small and it is of order of 10^{-27}

here we know that 1 amu is defined as 1/12 part of mass of 1 atom of C-12 isotope

so here we will have

1 amu = 1.66 \times 10^{-27} kg

so here we can say that mass of one atom is measured in the unit of 1 amu

8 0
3 years ago
Which is not a step in the scientific method?
tensa zangetsu [6.8K]
A. Ask other people for their opinion. :)
5 0
3 years ago
A 230-km-long high-voltage transmission line 2.0 cm in diameter carries a steady current of 1,100 A. If the conductor is copper
Molodets [167]

Answer:

28.23 years

Explanation:

I = 1100 A

L = 230 km = 230, 000 m

diameter = 2 cm

radius, r = 1 cm = 0.01 m

Area, A = 3.14 x 0.01 x 0.01 = 3.14 x 10^-4 m^2

n = 8.5 x 10^28 per cubic metre

Use the relation

I = n e A vd

vd = I / n e A

vd = 1100 / (8.5 x 10^28 x 1.6 x 10^-19 x 3.14 x 10^-4)

vd = 2.58 x 10^-4 m/s

Let time taken is t.

Distance = velocity x time

t = distance / velocity = L / vd

t = 230000 / (2.58 x 10^-4) = 8.91 x 10^8 second

t = 28.23 years

5 0
3 years ago
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How can we avoid injuries in school or community when engaging in physical activities?
Mazyrski [523]

Answer:

  • we should not fight with each other
3 0
3 years ago
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