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NemiM [27]
3 years ago
9

If a freely suspended vertical spring is pulled in downward direction and then released, which type of wave is produced in the s

pring?
Physics
2 answers:
Neko [114]3 years ago
4 0

Answer:longitudinal wave

Explanation:Longitudinal waves are types of wave in which the displacement of the medium is in the same direction as, the direction of propagation of the wave. Other example of wave is transverse wave

larisa [96]3 years ago
3 0

Answer:

longitudinal wave

Explanation:

it is perpendicular to the direction of the wave

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Two long, straight wires are separated by a distance of 9.15 cm . One wire carries a current of 2.79 A , the other carries a cur
Dafna1 [17]

Answer:

The force is the same

Explanation:

The force per meter exerted between two wires carrying a current is given by the formula

\frac{F}{L}=\frac{\mu_0 I_1 I_2}{2\pi r}

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\mu_0 is the vacuum permeability

I_1 is the current in the 1st wire

I_2 is the current in the 2nd wire

r is the separation between the wires

In this problem

I_1=2.79 A\\I_2=4.36 A\\r = 9.15 cm = 0.0915 m

Substituting, we find the force per unit length on the two wires:

\frac{F}{L}=\frac{(4\pi \cdot 10^{-7})(2.79)(4.36)}{2\pi (0.0915)}=2.66\cdot 10^{-5}N

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The same conclusion comes out  from Newton's third law of motion, which states that when an object A exerts a force on an object B, then object B exerts an equal and opposite force on object A (action-reaction). If we apply the law to this situation, we see that the force exerted by wire 1 on wire 2 is the same as the force exerted by wire 2 on wire 1 (however the direction is opposite).

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