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swat32
3 years ago
6

Which best explains why a storm that affects an area in the western United States may affect an area in the eastern

Physics
1 answer:
ziro4ka [17]3 years ago
4 0
The jet stream winds blow storms from west to east
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A 40.0 turn coil of wire of radius 3.0 cm is placed between the poles of an electromagnet. The field increases from 0 to 0.75 T
nadezda [96]

Answer:

Induced emf, V=3.76\times 10^{-4}\ V

Explanation:

We have,

Number of turns in the coil, N = 40

Radius of coil, r = 3 cm = 0.03 m

The field increases from 0 to 0.75 T at a constant rate in a time interval of 225 s.

It is required to find the magnitude of the induced emf in the coil if the field is perpendicular to the plane of the coil. The induced emf is given by :

\epsilon=\dfrac{d\phi}{dt}

\phi=NBA\cos\theta, is magnetic flux

\epsilon=NA\dfrac{dB}{dt}\\\\\epsilon=\dfrac{40\times \pi (0.03)^2\times (0.75-0)}{225}\\\\\epsilon=3.76\times 10^{-4}\ V

So, the magnitude of induced emf is 3.76\times 10^{-4}\ V.

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3 years ago
A block has a volume of 0.09 m3 and a density of 4,000 kg/m3. What's the force of gravity acting on the block in water?
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then 0.09 m³ holds

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4 years ago
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a lot of electric so that the battery can work


8 0
4 years ago
Please need help on this
mote1985 [20]

-- Whether an object floats or sinks in water depends on whether its density is more or less than the density of water.

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--  Choose ' <em>A </em>' .

3 0
3 years ago
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HELP ASAP!!!! Which statement describes a property of magnets?
ankoles [38]
 I think the answer is <span>4)Magnets attract or repel other magnets.</span>
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3 years ago
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