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Question

If x=a+bt+ct2 , where 'x' is in metre and 't' in second. What are the units of b and 'c'.

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Solution

Given Data:


The given quantity is x=a+bt+ct2

So, unit of x=[a]=[b][t]=[c][ct2]

Here x is in meter and t in seconds so, unit of a,bt and ct2 should be equal to unit of x.

Or, [unit of b]*[unit of t] = [unit of x]

units of b =unitofxunitoft=msec=ms1

Or, [unit of c]*[unit of t2 ] = [unit of x]

units of c =unitofxunitoft2=msec2=ms2


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