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Monica [59]
3 years ago
9

A circular metal ring is situated above a long straight wire, as shown in the figure. The straight wire has a current flowing to

the right, and the current is increasing in time at a constant rate. Which statement is true?a. There is no induced current in the wirering.
b. There is an induced current in the wire ring,directed in clockwise orientation.
c. There is an induced current in the wire ring,directed in a counterclockwise orientation
Physics
1 answer:
Mashcka [7]3 years ago
8 0

Answer:

The answer is: b. There is an induced current in the wire ring, directed in clockwise orientation

Explanation:

The direction of the magnetic flux can be calculated using the right-hand rule. As the current increases, the outward flow through the ring also increases, allowing the induced current to move through the ring, this is in accordance with Faraday's laws.

If we analyze Lenz's law, the current that is induced in the ring would move in one direction to reduce the outward magnetic flux. This flux can be decreased if the ring produces a magnetic field that moves into the ring.

If the right-hand ruler to the ring is used, the flow would move inward, and the fingers would curl around the ring clockwise. As a conclusion we can say that the current that is induced in the ring would move clockwise.

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True or false. Atoms of a given element will have the same mass.
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A running mountain lion can make a leap 10.0 mlong, reaching a maximum height of 3.0 m. What is the speed of the mountain lion j
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To solve this problem we will use the kinematic equations of descriptive motion of a projectile for which both the height reached and the distance traveled are defined. From this type of movement the lion reaches a height (H) of 3m and travels a horizontal distance (R) of 10 m. Mathematically the equations that describe this movement are given as,

H = \frac{v_0^2sin^2\theta}{2g}

R = \frac{v_0^2 sin 2\theta}{g}

Dividing the two equation we have that

\frac{H}{R}=\frac{\frac{v_0^2sin^2\theta}{2g}}{\frac{v_0^2 sin 2\theta}{g}}

\frac{H}{R}= \frac{sin^2\theta}{2}*\frac{1}{sin2\theta}

\frac{H}{R}= \frac{sin^2\theta}{2}*\frac{1}{2sin\theta cos\theta}

\frac{H}{R}= \frac{1}{4} \frac{sin\theta}{cos\theta}

\frac{H}{R}= \frac{1}{4} tan\theta

Substituting values of H and R, we get

\frac{3}{10} = \frac{1}{4} tan\theta

\theta = tan^{-1} \frac{12}{10}

\theta = 50.2\°

Substituting the value of \theta in equation we get,

H = \frac{v_0^2sin^2\theta}{2g}

v_0^2 = \frac{H 2g}{sin^2\theta}

v_0^2 = \frac{3*2*9.8}{sin^2(50.2)}

v_0^2 = 99.62

v_0 = \sqrt{99.62}

v_0 = 9.98m/s

Therefore the speed of the mountain lion just as it leaves the ground is 9.98m/s at an angle of 50.2°

5 0
3 years ago
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