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Artist 52 [7]
2 years ago
12

Why are helicopters are so noisy???

English
2 answers:
SpyIntel [72]2 years ago
7 0

Answer:

Because of its engine

To be honest I don't know the answer I think this is the answer

Zanzabum2 years ago
4 0

Answer:

The res earchers ex plained that most of the noise is g enerated by the h elic opter's main rotor. When the rotor spins, a ir pres sure

d ecr eases a bove it and increases below it. This is what causes the helicopter to ri se. A ir flows around the blade to even out the

pre ssure dif ference and cre ates a concentrated vor tex.

pl z pl z m ark me as brai nlist

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