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weeeeeb [17]
3 years ago
14

The speed or celerity of deep-water waves... A. increases with increasing water depth B. increases as water becomes blue in colo

r C. decreases with increasing wave height D. is constant regardless of wavelength E. none of the above
Physics
1 answer:
antoniya [11.8K]3 years ago
4 0

Answer:

A.

Explanation:

The speed or celerity of deep-water waves increases with increasing water depth.

With increase in depth, the pressure inside the increases as p=ρgh.

And with this increase in pressure force associated with waves increase because force is directly proportional to the pressure. Now greater the force greater will be accleration and greater velocity is obtained.

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A 30.0-kg girl in a swing is pushed to one side and held at rest by a horizontal force \vec{F} ​F ​⃗ ​​ so that the swing ropes
Virty [35]

Answer:

169.74 N

Explanation:

Given,

Mass of the girl = 30 Kg

angle of the rope with vertical, θ = 30°

equating the vertical component of the tension

vertical component of the tension is equal to the weight of the girl.

 T cos θ = m g

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 T = 339.48 N

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