Ramesh V
Last Activity: 15 Years ago
The dimensionless quantities are
Coefficient of static friction(μs)
coefficient of kinetic friction(μk)
Decibels(dB)
Poissons ratio
Stokes number
for Sin X , X should be dimensionless
here wt-kx should be dimensionless , so dimension of w/k is equal to dimension of x/t which is m/sec or LT-1