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Harlamova29_29 [7]
3 years ago
10

What is the wave speed of a wave that has a frequency of 100 Hz and a wavelength of 0.30 m? please no bad answers

Physics
1 answer:
Kay [80]3 years ago
6 0

Answer:

39 m/s

Explanation:

speed = frequency x wavelength (All SI Unit)

speed = 100 Hz x 0.30 m = 30 m/s

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a ball is thrown horizontally from a 20 m high building with a speed of 5.0 m/s. How far from the base of the building does the
kipiarov [429]
Given:
Dy= 20 m
Vi = 5.0 m/s horizontally
A=9.81 m/s^2

Find:
Horizontal displacement

Solution:
D=ViT+(1/2)AT^2
Dy=(1/2)AT^2
T^2=Dy/(1/2)A
T=sqrt(Dy/(1/2)A)
T=sqrt(20/4.905)
T=2.0s

Dx=ViT
Dx=(5.0)(2.0)
Dx=10. meters
7 0
3 years ago
Why does sound propagate faster in solid bodies than in liquids and faster in liquids than in air?
storchak [24]

Answer:

see below

Explanation:

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hope you get it,

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4 0
3 years ago
PLEASE HELP
lawyer [7]

I SAID don’t copy from internet but u did

Explanation:

5 0
3 years ago
On Mars a rock falls an unknown vertical distance from a resting position and lands in a crater. If it takes the rock 2.5 second
astra-53 [7]

The Answer To This Question Is B

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8 0
4 years ago
Do you think that the formation of a rainbow is more a demonstration of the wave-like or particle-like behavior of light
kogti [31]

Answer:

The formation of a rainbow is more a demonstration of the wave-like behavior of light.

Explanation:

A rainbow is caused by the interaction of sunlight with atmospheric conditions. A rainbow formation results from the refraction and reflection of light due to changes in the light's wavelength direction.  Naturally, light enters a water droplet, slowing down and bending as it goes from air to denser water in a refraction as if "bent." Then light reflects off the inside of the droplet, separating into its component wavelengths or colors.  With light exiting from the droplet, a rainbow is formed.

6 0
3 years ago
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