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scoundrel [369]
3 years ago
15

In which medium would sound travel the fastest? a)across a room b)in a swimming pool c)through outer space d)through a railroad

track
Physics
1 answer:
lora16 [44]3 years ago
7 0

d)through a railroad track

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What unit can be used to measure the mass of a grain of salt
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Explanation:

The best unit to measure the mass of a grain of salt is the milligram.

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It has a very low and small mass.

For substances like this, we use the milligram:

             1000milligram  = 1g

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Hello There!

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Have A Great Day!

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When a car slows down suddenly, passengers in the car tend to move toward the front of the car. What is this due to?
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Yes, this is very true, when the car slows down, our bodies will tend to lean forward a little bit, and this is actually due to the "motion of inertia".

Inertia allows for this to happen, this is why in this case, we have this case.

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Mercury is in the 80th position in the periodic table. How many protons does it have?
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