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anastassius [24]
2 years ago
14

If you want to study how energetic waves affect matter, you should study waves with a _______.

Physics
1 answer:
tankabanditka [31]2 years ago
4 0

Higher Frequency and shorter wavelength. The energy of light waves increases when there is an increasing frequency and a higher frequency means there are shorter wavelengths. The equation lambda=c/f where lambda is wavelength and f is frequency and c is the speed of the wave.

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A compunds whose empirical formula is xf3 consists of 65% f by mass. what is the atomic mass of x
Reika [66]

Empirical formula of compound is XF3

Compound consist of 65% F

In 100g of compound there is 65 g of F

= 65 / 19 moles of Fluorine = 3.421 moles

So moles of X = 3.421 / 3 = 1.140 moles

And in 100 g  X consist of 35 g

So the molar mass of X = 35 / 1.140 = 30.71 g = 31 approximately

And it is the mass of phosphorus

So the empirical formula for the compound is PX3

4 0
3 years ago
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Which of the following describes sound waves?
lianna [129]
The answer is c) electromagnetic sawed in which the vibrations are perpendicular to the motion of the sound
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2 years ago
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laiz [17]
I belive it it is C, using research to reform society
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3 years ago
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3. The smallest bird is the Cuban bee hummingbird, which has a mass of only
Firlakuza [10]

Answer:

2.6 m

Explanation:

The work done by the bird is given by

W=Fd

where

F is the force exerted

d is the distance covered

In this problem, we know:

W=8.8\cdot 10^{-4} J is the work

F=3.4\cdot 10^{-4} N is the force

Solving the equation for d, we find the distance covered by the bird:

d=\frac{W}{F}=\frac{8.8\cdot 10^{-4}}{3.4\cdot 10^{-4}}=2.6 m

8 0
3 years ago
How can you tell the difference between and erosion feature and a deposition feature?
Lunna [17]
Deposition moves that have already been eroded, and builds up sediment.
erosion is just the moving of sediment from one place to another

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