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Finger [1]
3 years ago
7

2. Două surse coerente oscileaza cu frecventa de 1 Hz, iar undele generate de elel se propaga pe suprafața apei cu viteza de 1,

5 m/s . Determinați pentru ce valoare minima a diferenței de drum pe suprafața apei se va observa :a) amplitudinea undelor b) atenuarea undelor
Physics
1 answer:
hammer [34]3 years ago
3 0

Answer:

the correct answer is B

Explanation:

Attenuation We can define the attenuation of a wave as the decrease in its intensity as it moves away from the focus. It is exclusively due to the distribution of its energy over a growing surface. This happens in the aqueous environment or in the water when a wave dissipates.

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A car with a constant velocity of 22 m/s is driven for 6.8 s. How far did it travel? (V =A d/AT)
SVEN [57.7K]

Answer: 150 m

Explanation:

velocity = 22 m/s

t = 6.8 s

velocity = \frac{distance}{time}

distance = velocity × time

= 22 × 6.8

= 149.6 m

≈ 150 m

option C

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Hope this helps!
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