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Dominik [7]
3 years ago
14

No links plz... 1. Define the following terms as they relate to radioactive decay

Physics
1 answer:
garik1379 [7]3 years ago
7 0

Explanation:

Radioactive decay is the process by which an unstable atomic nucleus loses energy by radiation wikipedia

half life is the time it takes something radioactive be gone halfway

Radiometric dating is the method of dating geological or archeological specimens by determining the relative proportions of particular radioactive isotopes present in a sample.

radioactivity affects Earth’s interior by keeping it liquid and hot

The outer core is molten and liquid iron and nickel, while the inner core is solid and much more dense than either iron or nickel at the surface

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What is the frequency of a wave with a wavelength of 12 meters and a velocity of 4 m/s?
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Answer:

0.33 hz

Explanation:

the formula for the frequency in this situation is f=v/wavelength

8 0
2 years ago
A compound microscope is made with an objective lens (f0 = 0.900 cm) and an eyepiece (fe = 1.10 cm). The lenses are separated by
Marizza181 [45]

Answer:

-252.52

Explanation:

L = Distance between lenses = 10 cm

D = Near point = 25 cm

f_o = Focal length of objective = 0.9 cm

f_e = Focal length of eyepiece = 1.1 cm

Magnification of a compound microscope is given by

m=-\frac{L}{f_o}\frac{D}{f_e}\\\Rightarrow m=-\frac{10}{0.9}\times \frac{25}{1.1}\\\Rightarrow m=-252.52

The angular magnification of the compound microscope is -252.52

6 0
3 years ago
The distance around the block is equal to 3000 feet, how many blocks would you have to run to run a total of a mile?
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You would have to run a little less than 2 blocks
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How did Orsted discover Electromagnetism?
Liula [17]

Answer:

Hans Christian Oersted began a new scientific epoch when he discovered that electricity and magnetism are linked. He showed by experiment that an electric current flowing through a wire could move a nearby magnet. The discovery of electromagnetism set the stage for the eventual development of our modern technology-based world.

Explanation:

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