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lorasvet [3.4K]
3 years ago
15

Can you be fluid overload and dehydrated at the same time

Physics
1 answer:
STALIN [3.7K]3 years ago
5 0
.................yes...................
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Architects have to consider how sound travels when designing large buildings such as theaters, auditoriums, or museums. Sound in
serious [3.7K]

Answer:

  I₂ = 0.04 W / m²

Explanation:

Sound intensity is the power emitted between the unit area

          I = W / A

         W = I A

sound is a wave that travels in space whereby its energy is distributed on the surface of a sphere

         A = 4π r²

we substitute

         W = I (4π r²)

the emission power is constant, so the intensity at two different points is

           W = I₁ 4π r₁² = I₂ 4π r₂²

so the equation is

            I₁ r₁² = I₂ r₂²

In this case the units are not shown in the exercise, suppose that all units are in the SI system

           I₂ = I_1 \ \frac{r_1^2}{r_2^2}

let's calculate

           I₂ = 4 4 \  \frac{2^2}{20^2}

           I₂ = 0.04 W / m²

5 0
3 years ago
What are the issues that hinders efforts to achieve sustainability?
Nadya [2.5K]

Answer:

who will solve environmental problems, who is responsible for environmental problems, and who pays the cost of implementing solutions

Explanation:

4 0
3 years ago
If molecules in a substance move FASTER will the TEMPERATURE increase or decrease?
statuscvo [17]

The temperature will increase

4 0
3 years ago
. Calculate the kinetic energy of a 100.0-kg meteor approaching the Earth at a speed of 10.0 km/s. Remember that 1 km = 1000 m.
anastassius [24]
Ke = (1/2)mv²

m = 100kg, v = 10 km/s = 10*1000 = 10000m/s

Ke = (1/2)*100*10000 

Ke = 500000 Joules
7 0
3 years ago
Read 2 more answers
If a wire lies withina magnetic field what must be true for the magnetic field to produce an electric current in the wire
BigorU [14]

Answer:

The magnetic field through the wire must be changing

Explanation:

According to Faraday's law, the induced emf, ε in a metallic conductor is directly proportional to the rate of change of magnetic flux,Φ  through it. This is stated mathematically as ε = dΦ/dt.

Now for the wire, the magnetic flux through it is given by Φ = ABcosθ where A = cross-sectional area of wire, B = magnetic field and θ = angle between A and B.

So, dΦ/dt = dABcosθ/dt

Since A and B are constant,

dΦ/dt = ABdcosθ/dt = -(dθ/dt)ABsinθ

Since dθ/dt implies a change in the angle between A and B, since A is constant, it implies that B must be rotating.

So, <u>for an electric current (or voltage) to be produced in the wire, the magnetic field must be rotating or changing</u>.

5 0
3 years ago
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