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Marizza181 [45]
4 years ago
15

A 2kg bowling ball is 2.5 meter off the ground on a post when it falls. Just before it reaches the ground, it is traveling 7m/s.

Assuming that there is no air resistance, which statement is true
Physics
1 answer:
shutvik [7]4 years ago
7 0
<span>The mechanical energy is conserved.

I hope this helps, good luck! :)</span>
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Answer to the question is:

Explanation:

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Answer:

The phase difference is       \Delta \phi = 1.9995 rad  

Explanation:

From the question we are told that

    The distance between the  loudspeakers is d = 2m

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     The frequency of the  loudspeakers is  f = 4450Hz

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The path difference of the sound wave that is getting to the listener is mathematically represented as

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           \Delta \phi =  \frac{2 \pi}{\lambda } *  \Delta z

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substituting value  

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Substituting value into the  equation for phase difference

      \Delta \phi =  \frac{2 * 3.142 * 0.0245}{0.0770}

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