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A 4.0 kg block is suspended from the cei...

A 4.0 kg block is suspended from the ceiling of an elevator through a string having a linear mass desity of `19.2xx10^-3 kgm^-1`. Find the speed (with respect to the string) with which a wave pulse can proceed on the string if the elavator accelerates up at the rate of `2.0ms^-2. Take g=10 ms^-2`.

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The correct Answer is:
(a) `200 m//s` , (b) `240 m//s`
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RESONANCE ENGLISH-WAVE ON STRING -Exercise- 1 PART I
  1. A transverse wave is traelling along a string from left to right. The ...

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  2. A piano string having a mass per unit length equal to 5.00 xx 10^(3)kg...

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  3. In the arrangement shown in figure, the string has a mass of 4.5g. Ho...

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  4. A uniform rope of length 12 mm and mass 6 kg hangs vertically from a r...

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  5. A particle on a stretched string supporting a travelling wave, takes 5...

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  6. Two wires of different densities but same area of cross-section are so...

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  7. A 4.0 kg block is suspended from the ceiling of an elevator through a ...

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  8. A 6.00m segment of a long string has a mass of 180 g. A high-speed pho...

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  9. A transverse wave of amplitude 0.50 mm and frequency 100 Hz is produce...

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  10. The equation of a plane wave travelling along positive direction of x-...

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  11. A series of pulses, each of amplitude 0.150 m, are sent on a string th...

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  12. Two waves, each having a frequency of 100 Hz and a wavelength of 2.0 c...

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  13. What are (a) the lowest frequency (b) the scond lowest frequency and (...

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  14. A nylon guiter string has a linear density of 7.20 g//m and is under a...

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  15. The length of the wire shown in figure between the pulleys is 1.5 m an...

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  16. A string oscillates according to the equation y' = (0.50 cm) sin [((...

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  17. A string vibrates in 4 segments to a frequency of 400 Hz. (a) What i...

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  18. The vibrations of a string of length 60 cm fixed at both ends are repr...

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  19. A heavy string is tied at one end to a movable support and to a light ...

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  20. A string 120 cm in length sustains a standing wave, with the points of...

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