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Furkat [3]
2 years ago
5

SKILL LEVEL:

Physics
1 answer:
Rudik [331]2 years ago
7 0

Answer:

The Doppler effect is a change in the frequency of sound waves that occurs when the source of the sound waves is moving relative to a stationary listener. Sound waves that are closer together have a higher frequency, and sound waves that are farther apart have a lower frequency.

Explanation:

hope it helps you

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A.always changing

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alexdok [17]

Actual displacement that he required to move

d_1 = 5.4 km towards North

Displacement that he moved due to snow is

d_2 = 8.1 km at 47 degree North of East

now in vector component form we can say

d_1 = 5.4 \hat j

d_2 = 8.1 cos47 \hat i + 8.1 sin47 \hat j

d_2 = 5.52 \hat i + 5.92 \hat j

now the displacement that is more required to reach the destination is given as

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so the magnitude of the displacement is given as

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so it is 5.54 km towards 5.38 degree North of West.

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