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ICE Princess25 [194]
2 years ago
13

The quotient of 8.4x10° and a number n results in 5.6x 1027. What is the value of n?

Physics
1 answer:
konstantin123 [22]2 years ago
5 0
Answer: n = 1.5 x 10^-18

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Describe the forest ecosystem with examples​
Andreyy89

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Hope this helps you buddy! :)

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3 years ago
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Suppose the voltage source for a series RL-circuit were given as V0sin(ωt) instead of V0cos(ωt). Write an expression for the cur
Gala2k [10]

Answer:

Explanation:

This is an RL circuit, therefore:

Impedance; z = \mathbf{\sqrt{R^2+L^2}}

\mathbf{z = \sqrt{R^2+(Lw)^2}}

Current amplitude

\mathbf{I_o = \dfrac{V_o}{z}} \\ \\  \mathbf{I_o = \dfrac{V_o}{\sqrt{R^2+L^2\omega ^2}}}

a)

Given that:

V_o = 1.9 \ V \\ \\ \omega= 51 \ rad/s\\\\ R = 21 \Omega \\ \\  L = 0.52 H

∴

I_o= \dfrac{1.9}{\sqrt{21^2+(0.52\times 51)^2}}

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b)

Phase constant :

tan  \ \phi = \dfrac{L \omega}{R } \\ \\  tan  \ \phi = \dfrac{0.52 \times 51}{21} \\ \\  tan \phi = 1.263

\text{Phase constant : }\phi = tan^{-1} (1.263)   \\ \\  \phi = 51.6^0\\ \\\text{To radians} \phi  = 51.6 \times \dfrac{\pi}{180} \\ \\  \phi = 0.287 \pi \\ \\ \mathbf{\phi = 0.9 \ rad}

3 0
3 years ago
while you are waiting to begin a foot race , you can feel your heart rate go up . This is the _ at work.
Ymorist [56]

Answer:

Sympathetic nervous system.

Explanation:

The sympathetic nervous system prepares the body for the “fight or flight” response during any potential danger. The sympathetic nervous system (SNS) increases heart rate. A faster heart rate (usually) pumps more oxygen-rich blood to the brain and lungs. This can give you the energy to run.

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7 0
3 years ago
How does string theory point to a multiverse?
fiasKO [112]

Answer:

In string theory, the multiverse is a theory in which our universe is not the only one; many universes exist parallel to each other. These distinct universes within the multiverse theory are called parallel universes. A variety of different theories lend themselves to a multiverse viewpoint.

Explanation:

:)

8 0
3 years ago
Find the range of projectile launched at the angle of 45 with an intial velocity of 25 m/s
Mekhanik [1.2K]

Answer:

10

Explanation:

Given that :

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Range = 10

5 0
3 years ago
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