Write a vector expression for the ball position

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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 = 16.3t and y = 3.60t - 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 î and j. (Give the answer in terms of t.) 

By taking derivatives, do the following.

(Give the answers in terms of t.)

(b) obtain the expression for the velocity vector  as a function of time 

 =   m/s 

(c) obtain the expression for the acceleration vector  as a function of time 

 =   m/s2 

(d) Next use unit-vector notation to write expressions for the position, the velocity, and the acceleration of the golf ball at t = 3.18 

r=

a=

v=

Reference no: EM131865543

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