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Sergio [31]
3 years ago
15

What do you understand by the term intensity of sound​

Physics
1 answer:
tensa zangetsu [6.8K]3 years ago
6 0

Answer:

It means how loud or how soft an object vibrates.

Explanation:

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Lukalu is rappelling off a cliff. The parametric equations that describe her horizontal and vertical position as a function of t
andre [41]

Answer:

2.5 s, 5 m

Explanation:

The equations for the horizontal and vertical position of Lukalu are:

x(t) = 8t\\y(t) = -16t^2 + 100

we can find the time it takes her to reach the ground by requiring that the vertical position becomes zero:

y(t) = 0

So we find:

0=-16t^2 +100\\16t^2 = 100\\t=\sqrt{\frac{100}{16}}=2.5 s

The horizontal distance of Lukalu instead will be given by the equation for the horizontal position, substituting t = 2.5 s:

x=8t = 8 \cdot 2.5 s =5 m

4 0
3 years ago
The section of the electromagnetic spectrum that humans can generally see is called _____ light.
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Answer:

(A) Visible

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  • The section of the electromagnetic spectrum that humans can generally see is called visible light.

White light is visible light and the range of visible wavelengths ranges from 400 - 700 nanometers.

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What scientific discovery did Daniel Bernoulli work on with Leonhard Euler?
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