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Pavel [41]
3 years ago
8

PHYSICS PLEASE HELP!

Physics
1 answer:
Salsk061 [2.6K]3 years ago
3 0

Answer:

It would take two half-lives which would be 130days

The substance has a half-life of 30 minutes. There has been two cycles that have occurred.

idk the last one

Explanation:

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Where would you find the sun on this HR diagram?
VLD [36.1K]

Answer:

C

Explanation:

That is where the most heat and light is showing on this diagram.

6 0
3 years ago
Jimmy held the end of a metal bar over a fire while holding on to the opposite end. After a few minutes, the end he was holding
Pavel [41]

Answer:

A. Conduction

Explanation:

Conduction is the transfer of heat within the material itself, and he's holding the metal bar over the fire.

6 0
4 years ago
Read the scenario. A car travels 25 m/s forward for 10 s. Which option accurately identifies the measurements within the scenari
Phantasy [73]

Explanation:

It is given that,

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Out of given option,s the correct option is (c) "The measurement 25 m/s is the only vector quantity because it is a measurement of speed".

5 0
3 years ago
What elements are good conductors of electricity?
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In Liquids ; Ionic compunds contains free moving ions , so they conduct electricity as well .

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4 years ago
500km is equal to how many millimeters
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if you can give me brainliest that would be great

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