myalee1419
26.08.2019 •
Physics
Can you ride a bike in such a way that the distance you cover is (a) equal to, (b) greater than, or (c) less than the magnitude of its displacement?
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Ответ:
is always either equal or greater than the displacement.
Distance can never be less than the displacement.
Ответ:
5.30m
Explanation:
depth of pool = 3.2 m
i = 67.75°
Using snell's law, we have,
n₁ × sin(i) = n₂ × 2 × sin(r)
n₁ = 1, n₂ =1.33, r= 44.09°
Hence,
Distance of Google from edge if pool is:
2.2 + d×tan(r) = 2.2 + (3.2 × tan(44.09°) =5.30m