The relationship between four physical quantities $x$ , $p$ , $q$ and $t$ is given by $x = p + qt$ , where $t$ is the time in seconds. If $q$ has units of $ms^{-1}$ , what are the units of $p$ ?

ms^{-1}

ms^{-2}

ms

m

ZIMSEC Physics Paper 1, November 2003, Q1

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