7. Water waves strike a break-wall near a beach to calm the water close to shore and make it easier for boats to move around. A small gap in the break-wall started to form due to erosion, and significant diffraction could be observed. As the gap formed and became larger, the diffraction started to decrease until it was barely noticeable when the gap reached 1.75m long. Determine the wavelength of the waves passing through the break-wall. Beach Disintegrating wall Вeach Beach

Q: I need to know if my D vector is right, or is it suppose to be 0i+11j+0k, need clarification

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A:

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A: according to conservation of momentum initial momentum= final momentu

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A: The velocity vector is, v=30.0 j^ m/s

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A: Given Velocity is changes its direction We whave to find the required quantity

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A: Step 1: Step 2: Step 3: Step 4:

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A: a.

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Q: 6. The diagram below illustrates how an ion is accelerated from rest. The ion in question has a mass…

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Q: 1. The position vectors are known as follows: ; = 2f + 4}, T = 3j + 2k, = î – 2ît + k and Calculate…

A: r1→ = 2i^ + 4j^r2→ = 3j^ + 2k^r3→ = i^ - 2j^ + k^

Q: 1. A 27kg rock is positioned 7.5m West of a 95kg person. a. Determine the gravitational force that…

A: gravitatuonal force = Gm₁m₂/r²