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26 Nov 2019
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= 18t and y =4t-4.9t^2, where x and y are in meters and t is in secs. a) write a vector expression for the ball's position as a function of time using the unit vectors i and j. by taking derivatives, obtain expressions for b)the velocity vector v as a function of time and c) the acceleration vector a as a function of time. d) next use the unit vector notation to write expression for the position, the velocity and the acceleration of the golf ball a t=3sec.
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= 18t and y =4t-4.9t^2, where x and y are in meters and t is in secs. a) write a vector expression for the ball's position as a function of time using the unit vectors i and j. by taking derivatives, obtain expressions for b)the velocity vector v as a function of time and c) the acceleration vector a as a function of time. d) next use the unit vector notation to write expression for the position, the velocity and the acceleration of the golf ball a t=3sec.
Reid WolffLv2
20 Mar 2019