A car is moving on Street Road in a fixed direction at a constant speed of V = 31 km/h with respect to the road. You wish to state the comedic factors of the motion of the car by using a Cartesian coordinate system who’s positive X axis is pointed in the direction of the motion of the car in the origin is fixed at some point on the road. (A) what is the expression for the velocity of the car, using the speed V and the unit vectors I, J, and K? (B) what is the X component of the position vector, and units of kilometers, at time t= 0.045 hr? 

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Projectile Motion