2 years ago

Will a helicopter work in a vacuum

1 answer:

5 0

No, there’s not any pressure

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victus00 [196]

Answer:

:O Fr? Bet let me go get them lol

3 0

3 years ago

Kobotan [32]

Answer:?

Explanation:

5 0

2 years ago

Yuri [45]

Answer: The answer is C

Explanation: Sound waves tend to spread farther the deeper the sound is, and the waves go lower then the second example, deeming it is louder.

8 0

3 years ago

lesantik [10]

Answer: 7.79 grams of ethanol were put into the beaker.

Explanation:

To calculate the mass of ethanol, we use the equation:

$\text{Density of substance}=\frac{\text{Mass of substance}}{\text{Volume of substance}}$

Density of ethanol = 0.779 g/mL

Volume of water = 10.00 mL

Putting values in above equation, we get:

$0.779g/mL=\frac{\text{Mass of ethanol}}{10.00mL}\\\\\text{Mass of ethanol}=(0.779g/mL\times 10.00mL)=7.79g$

Thus 7.79 grams of ethanol were put into the beaker.

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3 years ago

ch4aika [34]

I believe it is convection

6 0

2 years ago