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silent bob
Feb18-07, 10:36 PM
how would i write x= (12 m/s)t , y= (2.55 m/s)t-(4.9 m/s^2)t^2 as a fucntion of time using the unit vectors i and j?

Doc Al
Feb26-07, 08:33 AM
how would i write x= (12 m/s)t , y= (2.55 m/s)t-(4.9 m/s^2)t^2 as a fucntion of time using the unit vectors i and j?
Hint: The position is x i + y j