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Sophie [7]
3 years ago
15

How does the direction of the electric current, moving across a battery powered device, differ from the direction of travel in t

he AC current sent to homes and businesses?
Physics
2 answers:
svetoff [14.1K]3 years ago
8 0
They both have different wave traction's
amm18123 years ago
6 0
Different wave tractions 



Hope this helps :D
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An airplane engine starts from rest; and 2 seconds later, it is rotating with an angular speed of 300 rev/min. if the angular ac
elena-s [515]

First of all, we need to convert the angular speed from rev/min into rev/s:

\omega_f=300 rev/min=5 rev/s

The angular acceleration is the variation of angular speed divided by the time:

\alpha=\frac{\omega_f-\omega_i}{t}=\frac{5 rev/s-0}{2 s}=2.5 rev/s^2

And this is constant, so we can use the following equation to calculate the angle through which the engine has rotated:

\theta(t)=\frac{1}{2}\alpha t^2 =\frac{1}{2}(2.5 rev/s^2)(2 s)^2=5 rev

so, 5 revolutions.

3 0
2 years ago
The term used to describe the quantity of matter that a body possesses is:
barxatty [35]
The term used to describe the quantity of matter that a body possesses is mass.
7 0
3 years ago
Match the term with each description:
Alex_Xolod [135]

Answer:

An acid is a compound that increases hydrogen ions (H+) when it is dissolved in a solution.

all I got

4 0
3 years ago
Will an object with a density of 1.05 g/ml float or sink in water? Explain.
WINSTONCH [101]
It will sink because it is heavier. The density of water 1.00 g/ml
7 0
3 years ago
Einstein explained the photoelectric effect by proposing that light is transmitted, not in the form of continuous waves, but in
Artist 52 [7]

Answer:

Photons.

Explanation:

Einstein explained the photoelectric effect by proposing that light is transmitted, not in the form of continuous waves, but in the form of many tiny, discrete packets of energy called photons. Photons are massless and  chargeless particle. The energy of a photon is given by :

E=hf

f is the frequency of photon.                                                                  

5 0
3 years ago
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