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Jlenok [28]
2 years ago
15

Conduct research to identify claims made about the effects that certain frequencies of EMR have when absorbed by matter. Find tw

o examples from published sources. Write brief descriptions of your two examples.
Physics
2 answers:
svetoff [14.1K]2 years ago
7 0

Answer:

The effects that certain frequencies of EMR have when absorbed by matter is explained below in complete detail.

Explanation:

Electromagnetic radiation of distinct frequencies associates with material adversely. ... Gamma rays, though commonly of somewhat greater frequency than X rays have the equivalent creation. When the power of gamma rays is consumed in material, its influence is practically indistinguishable from the outcome generated by X rays.

Fittoniya [83]2 years ago
6 0

The effects that certain frequencies of EMR have when absorbed by matter is explained below in complete detail.

Answer:

Explanation:

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A descriptive observation may very well be a mixture of both quantitative and qualitative as it can utilize elements of both types. Qualitative deals with the kinds of observations that cannot be measured in numerical form. Quantitative data is just that.
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3 years ago
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What is the coefficient of friction between the skates and the ice?
natta225 [31]

The coefficient of friction is 0.051

Explanation:

The motion of the skater is a uniformly accelerated motion, therefore we can use the following suvat equation:

v^2 - u^2 = 2as

where:

v = 0 is the final velocity of the skater (he comes to a stop)

u = 10.0 m/s is his initial velocity

a is the acceleration

s=1.0\cdot 10^2 m = 100 m is the distance he travels before stopping

Solving for a, we find the acceleration of the skater:

a=\frac{v^2-u^2}{2s}=\frac{0-10.0^2}{2(100)}=-0.5 m/s^2

We also know that the net force acting on the skater is the force of friction, therefore we can write (Newton's second law of motion):

F= ma = -\mu mg

where

-\mu mg is the force of friction

m is the mass of the skater

\mu is the coefficient of friction

a=-0.5 m/s^2 is the acceleration

g=9.8 m/s^2 is the acceleration of gravity

Solving for \mu, we find the coefficient of friction:

\mu = -\frac{a}{g}=-\frac{-0.5}{9.8}=0.051

Learn more about friction:

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8 0
3 years ago
Liquids have what kind of volume and shape
Xelga [282]
A liquid has a definite volume but takes the shape of whatever object it's in.
Brainliest please! Hope this Helps!
6 0
3 years ago
How are these ions distinguished from one another in writing formulas for compounds? A. using Latin prefixes B. using numerical
IgorC [24]

Answer:

B. using numerical superscripts

Explanation:

ion is an atom that has different number of protons and electrons. An isotope is an atom of an element with a specific number of neutrons. Two different isotopes of the same element will have two different neutron counts.

When writing the symbol for an ion, the one- or two-letter element symbol is written first, followed by a superscript. The superscript has the number of charges on the ion followed by a + (for positive ions or cations) or - (for negative ions or anions). Neutral atoms have a charge of zero, so no superscript is given.

5 0
3 years ago
When do surface waves reach land​
Alex_Xolod [135]

Answer:

Surface waves are the kind of waves that occur on the surface of the ocean. The reason behind their occurrence is the geological effects, usually in the form of winds in near geographical regions or in that region.

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