A longitudinal wave is produced on a slinky. The frequency of the wave is 25 Hz and it travels at a speed of 20 cm/s. Find the separation between consecutive positions of maximum compressions.
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Answer:
yes bro
Explanation:
(ii) By angle sum property of a triangle, we have
∠x + 90° + 30 = 180° [∆ is right angled triangle]
⇒ ∠x + 120° = 180°
∴ ∠x – 180° – 120° = 60°
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Given, speed of wave, v = 30 cm/s and frequency of wave, f = 20 Hz
∴ Wavelength of wave,λ = v/f = 30/20 = 1.5 ᴄᴍ
Thus the separation between the consecutive compression = 1.5 cm.
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