1.

In `S=a+bt+ct^2`. S is measured in metres and t in seconds. The unit of c isA. NoneB. mC. `ms^(-1)`D. `ms^(-2)`

Answer» Correct Answer - D
`ct^2` must have dimensions of `Limpliesc` must have dimendions of `(L)/(T^2)` i.e. `LT^-2`.


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