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quester [9]
3 years ago
15

Definition of fluoresence

Physics
2 answers:
Gemiola [76]3 years ago
5 0
The visible or invisible radiation emitted by certain substances as a result of incident radiation of a shorter wavelength such as x-rays or ultraviolet light
denis23 [38]3 years ago
4 0

Answer:

the property of absorbing light of short wavelength and emitting light of longer wavelength.

Explanation:

YW

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Why is water not suitable for hydraulic machine​
Marina86 [1]

Answer:

Hydraulic fluid has a higher boiling point than water to help combat this. Related to this is the concept of vapor pressure. Hydraulic systems often involve small orifices, which can cause cavitation (localized boiling). Water will also exacerbate galvanic corrosion when dissimilar metals are used in the system.

4 0
3 years ago
A car increases its speed from 9.6 meters per second to 11.2 meters per second in 4.0 seconds. The average acceleration of the c
Gwar [14]
The acceleration is the change of speed/velocity over time. Thus to calculate this you do (V1-V2)/T or (11.2-9.6)/4 or 0.4 m/s^2
5 0
3 years ago
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You have a neutral balloon. What is its charge after 12000 electrons have been removed from it? The elemental charge is 1.6 × 10
AleksandrR [38]

Answer:

1.92×10^-9 microCoulomb

Explanation:

Elemental charge = 1.6×10^-19 Coulomb

Charge of balloon after 12,000 electrons have been removed from it = 12,000 × 1.6×10^-19 Coulomb = 1.92×10^-15 Coulomb = 1.92×10^-15/10^-6 = 1.92×10^-9 microCoulomb

6 0
3 years ago
PLZ HELP 30 PNTS AND BRAINLIST IF CORRECT! (accidentally put 10 pnts, i get u the points if u get the answer right)
Rus_ich [418]

Answer:

the net force is acting upon the object. The net force is the vector sum of all the forces that act upon an object. That is to say, the net force is the sum of all the forces, taking into account the fact that a force is a vector and two forces of equal magnitude. Hope this helps you.

7 0
3 years ago
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What is the highest frequency wave? The lowest frequency wave?
Readme [11.4K]

Answer:

Gamma rays have the highest energies, the shortest wavelengths, and the highest frequencies. Radio waves, on the other hand, have the lowest energies, longest wavelengths, and lowest frequencies of any type of EM radiation.

Explanation:

Hope this helps:)

6 0
3 years ago
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