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makkiz [27]
3 years ago
14

What happens when two sound waves meet in destructive interference?

Physics
1 answer:
Anna71 [15]3 years ago
6 0

sorry i did not mean to answer

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A fin whale is swimming at the speed of 35 km/h how many hours will it take to swim 7 km
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Answer:

0.2 hours

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The following is current scientific evidence supporting the nebular theory on the formation of the solar system.
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A man holding a rock sits on a sled that is sliding across a frozen lake (negligible friction) with a speed of 0.550 m/s. The to
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Answer: 0.5 m/s

Explanation:

Given

Speed of the sled, v = 0.55 m/s

Total mass, m = 96.5 kg

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To solve this, we would use the law of conservation of momentum

Momentum before throwing the rock: m*V = 96.5 kg * 0.550 m/s = 53.08 Ns

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m2 = 96.5 kg - 0.300 kg = 96.2 kg

v2 = ?

Law of conservation of momentum states that the momentum is equal before and after the throw.

momentum before throw = momentum after throw

53.08 = 0.300 * 17.5 + 96.2 * v2

53.08 = 5.25 + 96.2 * v2

v2 = [53.08 - 5.25 ] / 96.2

v2 = 47.83 / 96.2

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3 years ago
How many significant figures does the number 91010.0 have?
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Answer:

6 (six)

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