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My name is Ann [436]
3 years ago
14

Which line on the graph represents the radioactive decay of an isotope?

Physics
1 answer:
aleksandr82 [10.1K]3 years ago
5 0
I’m assuming the correct answer is BLUE
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When a golf ball is hit, it travels at 41 meters per second. The mass of a golf ball is 0.045kg. Calculate the kinetic energy of
Fittoniya [83]

Answer:

  75.645 J

Explanation:

The kinetic energy is related to the mass and velocity by the formula ...

  KE = 1/2mv²

For the given mass of 0.045 kg, and velocity of 41 m/s, the kinetic energy is ...

  KE = 1/2(0.045 kg)(41 m/s)² = 75.645 J

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The unit of energy, joule, is a derived unit equal to 1 kg·m²/s².

4 0
2 years ago
What will happen if we put a magnet in cold water
gayaneshka [121]

Answer:

cold water strengthens the magnetic attractive force.

Explanation:

The molecules within the magnet will move slower because they have less kinetic energy,so there is less vibration within the magnets molecules.

8 0
2 years ago
Nick is so excited to Trick-or-Treat, he RUNS down the street to the house that has the BIG candy bars! He ran 203 meters. It to
sergiy2304 [10]

Answer:

it would take him 1 minute to run 304.5 meters and 1 second to run 5.075 meters

Explanation:

8 0
2 years ago
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If u speed up from rest to 12 m/s in 3 seconds, what is your acceleration
irakobra [83]
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Just divide 12 by 3, so if it takes 3 seconds, then every second, it goes up 4.
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4 years ago
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Name two possible ways in wivh fossils can be dated and define them <br>​
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Answer:

There are two main methods determining a fossils age, relative dating and absolute dating. Relative dating is used to determine a fossils approximate age by comparing it to similar rocks and fossils of known ages.

Mark me with a crown

6 0
3 years ago
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