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Grade: 11
        
Given that displacement of a particle is given by x=A²sin²kt where t denotes the time. The unit of k is..........................
one month ago

Answers : (2)

Saurabh Koranglekar
askIITians Faculty
2671 Points
							Dear student

Sin ( theta)

Theta is angle its a dimension less quantity
k*t is theta to make it dimensionless

K = 1/time ie 1/second

Ie hertz unit for frequency

Regards
one month ago
Arun
21947 Points
							
Dear student
 
it matches with sin wt
hence unit of k is same as unit of w = rad/sec
 
Hope it helps
 
Regards
Arun
one month ago
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