laylaaaaah2054
27.12.2019 •
Physics
As the train in the image moves to the right how does the train horn sound to person a?
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Ответ:
It sounds normal to people A and B. They're moving with the train, so the horn ON the train isn't moving toward them or away from them.
Ответ:
1.2 kg m²
Explanation:
Angular momentum is conserved:
L = L
Iω = Iω
(4.6 kg m²) (1.0 rev / 1.5 s) = I (2.5 rev/s)
I = 1.2 kg m²