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The SI unit of energy is J = kg m^(2) s^...

The `SI` unit of energy is `J = kg m^(2) s^(-2)`, that of speed v is `m s^(-1)` and of acceleration a is `m s^(-2)`. Which of the formulae for kinetic energy (K) given below can you rule out on the basis of dimensional arguments (m stands for the mass of the body) :
(a) `K=m^(2) v^(2)`
(b) `K=(1//2) mv^(2)`
(c) `K=ma`
(d) `K=(3//16)mv^(2)`
(e) `K=(1//2)mv^(2)+ma`

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