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If the distance d (in meters) traveled by an object in time t (in seconds) is given by the formula d=a+bt2, the si units of a and b must be

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Distance , d = a+b[tex]t^2[/tex]

The unit of d is in meter and t is in seconds.

So the unit of a a must be meter.

Now we have unit of b[tex]t^2[/tex] is meter.

So unit of b*[tex]second^2[/tex] = meter

Unit of b = meter/[tex]second^2[/tex]

So unit of a = m and unit of b = m/[tex]s^2[/tex].

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