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son4ous [18]
3 years ago
11

Question 2 (5 points)

Physics
1 answer:
d1i1m1o1n [39]3 years ago
6 0

Answer:

Frequency of sound wave = 198.83 hertz (Approx.)

Explanation:

Given:

Velocity of sound wave in air = 340 m/s

Wavelength = 1.71 meter

Find:

Frequency of sound wave

Computation:

Frequency = Velocity / Wavelength

Frequency of sound wave = Velocity of sound wave in air / Wavelength

Frequency of sound wave = 340 / 1.71

Frequency of sound wave = 198.8304

Frequency of sound wave = 198.83 hertz (Approx.)

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A long wire carrying I=1.1A of constant current oriented North-to-South (and the current is running northwards) is placed horizo
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Answer:

The absolute value of the angular deviation is 39.3°.

Explanation:

Given that,

Current = 1.1 A

Distance = 0.9 cm

Magnetic field = 20μT

We need to calculate the magnetic field due to wire

Using formula of magnetic field

B=\dfrac{\mu_{0}I}{2\pi d}

Put the value into the formula

B=\dfrac{4\pi\times10^{-7}\times1.1}{2\pi\times0.9\times10^{-2}}

B=24.4\times10^{-6}\ T

B=24.4\ \mu T

We need to calculate the absolute value of the angular deviation

Using formula of direction

\theta=\tan^{-1}(\dfrac{B_{E}}{B_{w}})

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\theta=39.3^{\circ}

Hence, The absolute value of the angular deviation is 39.3°.

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Graph are pictorical representations of
inn [45]

Answer:

Graphs are pictorial representations of relationships.

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The 68-kg crate is stationary when the force P is applied. Determine the resulting acceleration of the crate if (a) P = 0, (b) P
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Explanation:

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Which of the following has the largest m/mentum?
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Gamma rays are waves of energy that have no charge. <br> True<br> False
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Gamma rays are waves of energy that have no charge. TRUE.
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