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Physics, 21.08.2019 19:30 brad7330

Auniform thin rod of length 0.8390.839 m is hung from a horizontal nail passing through a small hole in the rod located 0.0310.031 m from the rod's end. when the rod is set swinging about the nail at small amplitude, what is the period of oscillation?

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Answer from: Quest

15.3 cos 65 degrees trig

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Answer from: Quest

it's when something is going so fast it makes a loud noise, breaking the sound barrier, for example: a jet makes a loud noise, not only cause of the jet but because they reached a point where they went so fast that you can year the noise from various parts, kinda like a police car, lets say the car was going   so fast that you hear the siren of the cop car right next to you, but the car is probably a mile a way, it's cos the siren was next to you a few seconds if you understand me

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b. false

explanation:

suppose a rock in free fall is dropped off a cliff. after falling for 5 seconds, its speed would not be 100 m/s.

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Auniform thin rod of length 0.8390.839 m is hung from a horizontal nail passing through a small hole...

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