1. mN means milli newton, 1 mN = 10–³ N, Nm means Newton meter, nm means nano meter.

    mN means milli newton, 1 mN = 10–³ N, Nm means Newton meter, nm means nano meter.

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  2. The unit of left hand side is metre so the units of ct² should also be metre. Since t² has unit of s², so the unit of c is m/s².

    The unit of left hand side is metre so the units of ct² should also be metre. Since t² has unit of s², so the unit of c is m/s².

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