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AnnyKZ [126]
2 years ago
5

How does the radius of a string affect centripetal force.

Physics
1 answer:
KiRa [710]2 years ago
5 0

Answer:

because a raduis is half of 25% of a cicrle.

Explanation:

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How much force is needed to accelerate a 1245 kg car at a rate of 4.25<br> m/sec^2?
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Two long, parallel wires carry currents of different magnitudes. If the amount of current in one of the wires is doubled, what h
Ulleksa [173]

Answer:

The magnitude of the force that each wire exerts on the other will increase by a factor of two.

Explanation:

force on parallel current carrying wire, F = BILsinθ

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θ is the angle of inclination of the wire

Assuming B, L and θ is constant, then F ∝ I

F = kI

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When the amount of current is doubled in one of the wires, lets say the second wire;

\frac{F_1}{I_1} = \frac{F_2}{2I_1} \\\\F_2 = \frac{2F_1I_1}{I_1} \\\\F_2 =2F_1

Also, if will double the amount of current on the first wire, then

F₁ = 2F₂

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