A golf ball is hit off a tee at the edge of a cliff. Its x and y coordinates as

Question

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 = 17.5t and y = 3.96t - 5.33t2, where x and y are in meters and t is in seconds. Write a vector expression for the ball's position as a function of time, using the unit vectors i and J. (Give the answer in terms of r = By taking derivatives, do the following. (Give the answers in terms of t.) obtain the expression for the velocity vector v as a function of time v = obtain the expression for the acceleration vector a as a function of time a = Next use unit-vector notation to write expressions for the position, the velocity, and the acceleration of the golf ball at t = 3.03 s. r = m v = m/s a = m/s2

Explanation / Answer

r=53.035 i -36.945 j v=17.5 i -28.34 j a=-10.66 j

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