The force is given in terms of time t and displacement x by the equation F = A cos Bx + C sin DtThe dimensional formula of ${{AD} \over B}$ is :

Question

The force is given in terms of time t and displacement x by the equation

F = A cos Bx + C sin Dt

The dimensional formula of ${{AD} \over B}$ is :

$[{M^0}L{T^{ - 1}}]$

$[M{L^2}{T^{ - 3}}]$

$[{M^1}{L^1}{T^{ - 2}}]$

$[{M^2}{L^2}{T^{ - 3}}]$

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