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sweet-ann [11.9K]
3 years ago
6

Một loa phát ra với cường độ âm là 40 (W/m2 ). Mức cường độ âm của loa thuộc phạm vi?

Physics
1 answer:
motikmotik3 years ago
8 0

Answer:ew

Explanation:

qeeqw

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harina [27]

Answer:

Energy

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4 0
3 years ago
An object has a mass of 13.5 kilograms. What force is required to accelerate it to a rate of 9.5 m/s2?
Zigmanuir [339]
Force can be expressed as the product of mass and acceleration. Mathematically, that's F = m(a). Plugging the given into the equation, we have F = (13.5 kg)(9.5 m/s²) = 128.3 kg.m/s² or 128.3 N<span>. </span>
4 0
3 years ago
A pendulum completes 30 cycles every minute. What is the frequency of the pendulum
Strike441 [17]

Answer:

1 cycle every 2 seconds if that is what it is asking. So you have to do 2 x 30 and you will get 60 so ur awnser is 60

Explanation:

8 0
3 years ago
When an ocean plate converges with another plate, what is created on the seafloor at the line of convergence?
drek231 [11]
When two oceanic plates meet, the process of subduction occurs. During this, the denser plate slips underneath the lighter one, creating a subduction zone. In these subduction zones, a trench is formed. 
Trenches are deep crevices on the ocean floor and are home to many different marine species.<span />
5 0
3 years ago
Questions 1
Aleonysh [2.5K]

Answer:

Radiant to Chemical

Explanation:

I think

8 0
2 years ago
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