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The displacement y of a particle in a medium can be expressed as:

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asked Mar 23, 2018 in Physics by paayal (26,720 points) ● 4 ● 6 ● 11

The displacement y of a particle in a medium can be expressed as:

y = 10 – 6sin(100t + 20x + π/4)m, where t is in second and x in meter. The speed of the wave is

(a) 2000m/s 

(b) 5m/s

(c) 20m/s 

(d) 5πm/s.

1 Answer

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answered Mar 23, 2018 by sanjaydas (61,430 points) ● 5 ● 7 ● 7
selected Mar 24, 2018 by Vikash Kumar
 
Best answer

(b) : Given wave equation :

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