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trasher [3.6K]
3 years ago
13

Which wave causes the medium to vibrate only in a direction parallel to the wave's motion?

Physics
1 answer:
Over [174]3 years ago
8 0
Longitudinal waves causes the medium to vibrate only in a direction parallel to the wave's motion
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a man is standing on the edge of a 20.0m high cliff. he throws a rock vertically with an initial velocity of 10.0m/s. how high d
marin [14]

Answer:5m

Explanation:a=-10m/s (since it moved upwards against gravity)

V=0

U=10m/s

v2=u2+2as

0= 100-20s

20s=100

s=5m

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4 years ago
Explain the difference between weight and mass in terms of vectors and scalars
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4 years ago
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A magnetic dipole with a dipole moment of magnitude 0.0243 J/T is released from rest in a uniform magnetic field of magnitude 57
ololo11 [35]

Answer:

47.76°

Explanation:

Magnitude of dipole moment = 0.0243J/T

Magnetic Field = 57.5mT

kinetic energy = 0.458mJ

∇U = -∇K

Uf - Ui = -0.458mJ

Ui - Uf = 0.458mJ

(-μBcosθi) - (-μBcosθf) = 0.458mJ

rearranging the equation,

(μBcosθf) - (μBcosθi) = 0.458mJ

μB * (cosθf - cosθi) = 0.458mJ

θf is at 0° because the dipole moment is aligned with the magnetic field.

μB * (cos 0 - cos θi) = 0.458mJ

but cos 0 = 1

(0.0243 * 0.0575) (1 - cos θi) = 0.458*10⁻³

1 - cos θi = 0.458*10⁻³ / 1.397*10⁻³

1 - cos θi = 0.3278

collect like terms

cosθi = 0.6722

θ = cos⁻ 0.6722

θ = 47.76°

7 0
3 years ago
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A clay pot at room temperature is placed in a kiln, and the pot\'s temperature doubles. how much more heat per second is the pot
xeze [42]

Answer:

16

Explanation:

If we treat the pot as a black body, then:

q = σ T⁴ A,

where q is the heat per second radiated,

σ is the Stefan-Boltzmann Constant,

T is the absolute temperature,

and A is the surface area.

If the absolute temperature doubles, then q increases by a factor of 2⁴ = 16.

7 0
3 years ago
SOMEONE PLEASE HELP ME
Leviafan [203]

Answer:

The same.

Explanation:

Temperature is a measure of the average kinetic energy of a substance; if two pieces of iron have the same temperature, then their particles will have the same amount of average kinetic energy.

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3 years ago
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