A golf ball is hit off a tee at the edge of a cliff its x, Ask an Expert

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A golf ball is hit off a tee at the edge of a cliff. Its x and y coordinates as functions of time are given by X = 18.0t and y = 4.00t - 4.90t², where x and y are in meters and t is in seconds.

(a) Write a vector expression for the ball's position as a function of time, using the unit vectors i and j.

(B) taking derivaties, obtain expressions for (b) the velocity in vector v' as a function of time and

(d) Next use unit-vector notation to write expressions for the position, the velocity, and the acceleration of the golf ball at t = 3.00s.

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