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evablogger [386]
3 years ago
13

what is the the wavelength if a wave cycles up and down three times per second and the distance between each wave is 1.7m?

Physics
1 answer:
DENIUS [597]3 years ago
8 0

Answer:5.1 meters

Explanation:

wavelength=3 x1.7

Wavelength=5.1 meters

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The resistance of the piece of wire is
R= \frac{\rho L}{A}
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A=0.13 cm^2 = 0.13 \cdot 10^{-4} m^2 is the cross sectional area of the wire
By substituting these values, we find the value of R:
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3 years ago
A bicyclist travels 4.5 km west, then travels 6.7 km at an angle 27.0 degrees South of West. What is the magnitude of the bicycl
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Answer:

<em>10.90km</em>

Explanation:

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d = √dx²+dy²

dx is the horizontal component of the displacement

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dy = -6.7sin27°

dy = -6.7(0.4539)

dy = -3.042

For the  horizontal component of the displacement

dx = -4.5 - 6.7cos27

dx = -4.5 -5.9697

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Get the magnitude of the bicyclist's total displacement

Recall that: d = √dx²+dy²

d = √(-3.042)²+(-10.4697)²

d = √9.2538+109.6146

d = √118.8684

<em>d = 10.90km</em>

<em>Hence the magnitude of the bicyclist's total displacement is 10.90km</em>

<em></em>

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