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Svetach [21]
3 years ago
13

A sound has a higher pitch than a bell. Which quantity must also be higher in this sound than in the bell?

Physics
1 answer:
Talja [164]3 years ago
6 0

Answer:

frequency

Explanation:

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The Berlin marathon is one of the fastest marathons courses; many world records have been set there. In 2014 Dennis Kimetto ran
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about 2000 klm per min

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3 years ago
A state highway was constructed over wetlands. The state obtained a permit to fill the existing wetlands in accordance with the
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Environmental mitigation

Explanation:

Environmental migitation is related environmental industry to describe  impacts to the  wetland, endangered species, archeological site, paleontological site or historic structure.

This  Act mainly focus on action of reducing the severity, seriousness, or painfulness to the environment.

According Clean Water Act in 1972, they agreed to create a another wetland for state highway which was constructed over wetlands.

8 0
3 years ago
Chan Hee is inflating a basketball using an air pump. He notices that the pump gets warm as he uses it. What is a good hypothesi
likoan [24]

"If air in a pump is squeezed more, then the air gets hotter because energy is added to it" is a good hypothesis that could lead to new experimentation.

<u>Option: C</u>

<u>Explanation:</u>

If we use a pump to inflate a basketball, we initially pull the handle to draw air to fill the sphere in. As we move it down we apply a great deal of force to pump in air through the pin's tiny hole because of this resistance force in the air we find the tube warmed.

A needle of ball pump is a metal tube in which air, from an inflating pump to a sports ball, moves through it. In continuous-flow operation, pumps are often used and built to produce comparatively little pressure towards a free-flowing environment with limited back pressure. Such pumps have a fixed configuration and work freely along their power curve as circumstances change.

8 0
3 years ago
Hot air balloon ( look at pic)
kramer

Answer:

I think that the answer is convection.

Explanation:

Hope this helps.

6 0
3 years ago
is it possibly to make special swords made out of light that can cute through anything like in the movie star wars?
g100num [7]
No because light travels in waves and can not stop 3 feet away an having power supplied like that
6 0
2 years ago
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