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aliina [53]
3 years ago
12

Julie is comparing electromagnetic waves and sound waves. Which of the following words would best complete her chart below? (2 p

oints)
Electromagnetic

Are transverse

Can travel _________

Fastest without a medium

Group of answer choices

without frequency

through any substance

on a curved path

in a vacuum
Physics
2 answers:
melisa1 [442]3 years ago
6 0

Answer:

D: In a vacuum

Explanation:

i took the test

elena55 [62]3 years ago
5 0

Answer:

in a vacuum

Explanation:

In physics, a transverse wave is a moving wave whose oscillations are perpendicular to the direction of the wave or path of propagation. In a transverse wave, the particles are displaced perpendicular to the direction the wave travels. Electromagnetic waves are transverse waves. They require no material medium for propagation and travel fastest in a vacuum.

Sound waves are longitudinal waves. In longitudinal waves, the vibrations are parallel to the direction of wave travel. Sound waves do not travel through vacuum because they require a material medium (air) for propagation. A vacuum has no air hence sound waves do not travel through a vacuum.

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2 years ago
When a 2.40-kg object is hung vertically on a certain light spring described by Hooke's law, the spring stretches 2.92 cm.(a) Wh
Anastasy [175]

Answer:

805.48N/m

Explanation:

According to Hookes law

F = Ke

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F = 2.4×9.8 = 23.52N

e is the extension = 2.92cm = 0.0292m

Force constant K = F/e

K = 23.52/0.0292

K = 805.48N/m

Hence the force constant of the spring is 805.48N/m

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2 years ago
A horizontal pipeline is 660 mm in diameter and carries oil at a rate of 150 kg/s. this oil has a mass density of 850 kg/m3 and
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6 0
3 years ago
The atmospheric pressure on the top of the Engineering Sciences Building (ESB) is 97.6 kPa, while that in Room G39-ESB (ground f
Stells [14]

Answer:

Δ h = 52.78 m

Explanation:

given,

Atmospheric pressure at the top of building = 97.6 kPa

Atmospheric pressure at the bottom of building = 98.2 kPa

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acceleration due to gravity, g = 9.8 m/s²

height of the building = ?

We know,

Δ P = ρ g Δ h

(98.2-97.6) x 10³ = 1.16 x 9.8 x Δ h

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Hence, the height of the building is equal to 52.78 m.

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3 years ago
Help Please
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