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Setler79 [48]
3 years ago
5

your neighbour is throttling his recent bought motorbike to show off. the sound intensity measured at your window 16m away is 0.

25W/m^2. what is the sound intensity level in dB at your friend's house, a distance of 28m away from the noisy bike?
Physics
1 answer:
aivan3 [116]3 years ago
8 0

Answer:

hi your pinterest I'd or Twitter I'd pls.

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Total mechanical energy = kinetic energy + potential energy
E = KE + PE
E = ½mv² + mgh
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E = 0.2 J + 1.47 J
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I only know #2 and #4.
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