In S = a + bt + c t 2 . S is measured in metres and t in seconds. The unit of c is Options: A . &nbspNo dimensions B . &nbspm C . &nbspms−1 D . &nbspms−2

Answer: Option D : D c t 2 must have dimensions of L ⇒ c must have dimensions of L T 2 i.e., L T − 2

In S = a + bt + ct2. S is measured in metres and t in seconds. The unit of c is&

Question

In S = a + bt +

c t^{2}

. S is measured in metres and t in seconds. The unit of c is

Options:

A . No dimensions

B . m

C . ms−1

D . ms−2

Answer: Option D
:
D

c t^{2}

must have dimensions of

L \Rightarrow c

must have dimensions of

\frac{L}{T^{2}}

i.e.,

L T^{- 2}

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