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Damm [24]
2 years ago
8

In addition, many predictions based on the idea have led to additional observations that support it. Which best describes this i

dea of the origin of the universe?
hypothesis
theory
law
fact
Physics
1 answer:
Law Incorporation [45]2 years ago
6 0
The answer is: Theory
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Thanks man that cool
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3 years ago
High rate of evaporation in a water cycle can most likely cause
scoray [572]
Answer: d. thunderstorms
The option <span>blizzards can be excluded as it is clearly not related to the evaporation. Floods can happen if the condensation rate high, not evaporation. Sometimes the cloud that carries water is just blown up by the wind so the evaporation does not happen in that place.
Thunderstorms happen more in summer because the rate of evaporation and condensation is increased.</span>
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4 years ago
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An indirect measurement of the speed of molecules is?
Arlecino [84]

Answer:

An indirect measurement of the speed of molecules is temperature

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3 years ago
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A railroad tank car contains milk and rolls at a constant speed along a level track. The milk begins to leak out the bottom. The
kifflom [539]

Answer:

option C

Explanation:

The correct answer is option C                        

There is no external force acting in the system hence the momentum will be conserved.                                    

As the milk is leaking out of the tank mass of the tanker is decreasing.

When the mass of the container will decrease to  conservation the momentum speed of the container will have to be increased.

So, the car carrying milk will speed up.

8 0
3 years ago
The flux through the coils of a solenoid changes from 2.57.10-5 Wb to 9.44.10-5 Wb in 0.0154 s. If 4.08 V of EMF is generated, h
Vinil7 [7]

Hello!

We can use Faraday's Law of Electromagnetic Induction to solve.

\epsilon = -N \frac{d\Phi_B}{dt}

ε = Induced emf (4.08 V)
N = Number of loops (?)

\Phi_B = Magnetic Flux (Wb)
t = time (s)

**Note: The negative sign can be disregarded for this situation. The sign simply shows how the induced emf OPPOSES the current.

Now, we know that \frac{d\Phi_B}{dt} is analogous to the change in magnetic flux over change in time, or \frac{\Delta \Phi_B}{\Delta t}, so:
\epsilon = N \frac{\Delta \Phi_B}{\Delta t}\\\\\epsilon = N \frac{\Phi_{Bf} - \Phi_{Bi}}{\Delta t}

Rearrange the equation to solve for 'N'.

N = \frac{\epsilon}{ \frac{\Phi_{Bf} - \Phi_{Bi}}{\Delta t}}

Plug in the given values to solve.

N = \frac{4.08}{ \frac{9.44*10^{-5} - 2.57*10^{-5}}{0.0154}}  = 914.585 = \boxed{915 \text{ coils}}

**Rounding up because we cannot have a part of a loop.

4 0
2 years ago
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