Writing x and y equations as a vector using unit vectors i and j

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silent bob

how would i write x= (12 m/s)t , y= (2.55 m/s)t-(4.9 m/s^2)t^2 as a function of time using the unit vectors i and j?

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silent bob said:

how would i write x= (12 m/s)t , y= (2.55 m/s)t-(4.9 m/s^2)t^2 as a function of time using the unit vectors i and j?

Hint: The position is x i + y j