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taurus [48]
3 years ago
6

Carbon-14 is the typical radioisotope used to date materials; however, it has a limitation to 40,000 years. A scientist who want

s to date materials older than 40,000 years would most likely use .
Physics
2 answers:
notka56 [123]3 years ago
4 0

Uranium-238


just took the test.

maksim [4K]3 years ago
3 0

Answer:

Uranium-238

Explanation:

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Prepare a summary to explain how much the final birds varied from the original birds after 1 million years of natural selection.
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Use the component form of newton's second law to write an expression for the x component of the net force, σfx
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Draw a free body diagram to show which forces act in the x and y directions. The x component equation is σfx = 0. The σfx being all the forces acting in the x direction.
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3 years ago
In an interference pattern, the intensity is Group of answer choices smaller in regions of constructive interference than in reg
Vesnalui [34]

Answer:

The same in both the regions of constructive interference and the regions of destructive interference.

Explanation:

Interference is a phenomenon which occurs when two waves meet while moving along the same medium . The amplitude formed as a result of the interference could be greater, lower, or the same amplitude.

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The waves being coherent, arising from the same source and having the same frequency explains why it’s the same in both the regions of constructive interference and the regions of destructive interference.

4 0
3 years ago
When a light bulb is connected to a 4.5 V battery, a current of 0.16 A passes through the bulb filament. What is the resistance
larisa [96]

Answer:

R = 28.125 ohms

Explanation:

Given that,

The voltage of a bulb, V = 4.5 V

Current, I = 0.16 A

We need to find the resistance of the filament. Using Ohm's law,

V = IR

Where

R is the resistance of the filament

So,

R=\dfrac{V}{I}\\\\R=\dfrac{4.5}{0.16}\\\\R=28.125\ \Omega

So, the resistance of the filament is equal to 28.125 ohms.

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