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Question: What is the unit of k in the relation U = \(\frac{ky}{y^{2} + a^{2}}\) where U represents the potent...

What is the unit of k in the relation U = kyy2+a2\frac{ky}{y^{2} + a^{2}} where U represents the potential energy, y represents the displacement and a represents the maximum displacement i.e., amplitude?

A

(a) m/s

A

(b) m s

A

(c) J m

A

(d) J/

Explanation

Solution

(a)

Sol. Joule = k(m)m2\frac{k(m)}{m^{2}}

k = joule × m