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Phantasy [73]
3 years ago
5

Newton’s Third Law of Motion states that when one object exerts a force on a second object, the forces are __________________.

Physics
1 answer:
Veronika [31]3 years ago
3 0
Newton's Third Law of Motion states that when one object exerts a force on a second object, the forces are B. equal in magnitude and opposite in direction. 
His third law is - For every action, there is an equal reaction. 
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As an emergency vehicle approaches Bob and moves away from Jill, how does the actual frequency of the siren change? A) As an eme
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The correct answer is: 
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2 years ago
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Are you like you are because of your genes or because of your environment?
meriva
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When Trinity pulls on the rope with her weight, Newton's Third Law of Motion tells us that the rope will _____.
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2 years ago
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The component of the external magnetic field along the central axis of a 78-turn circular coil of radius 34.0 cm decreases from
grigory [225]

Answer:

Induced current, I = 18.88 A

Explanation:

It is given that,

Number of turns, N = 78

Radius of the circular coil, r = 34 cm = 0.34 m

Magnetic field changes from 2.4 T to 0.4 T in 2 s.

Resistance of the coil, R = 1.5 ohms

We need to find the magnitude of the induced current in the coil. The induced emf is given by :

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

Where

\dfrac{d\phi}{dt} is the rate of change of magnetic flux,

And \phi=BA

\epsilon=-NA\dfrac{dB}{dt}

\epsilon=-78\times \pi (0.34)^2\dfrac{(0.4-2.4)}{2}

\epsilon=28.32\ V

Using Ohm's law, \epsilon=I\times R

Induced current, I=\dfrac{\epsilon}{R}

I=\dfrac{28.32}{1.5}

I = 18.88 A

So, the magnitude of the induced current in the coil is 18.88 A. Hence, this is the required solution.

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2 years ago
Make the following conversion.
blsea [12.9K]

Answer: 56320

Explanation:

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