The coordinates of a particle moving in the XY plane are given as function of time by: X = 5m + ( 7 m/s^4) t^4 Y = ( 10 m/s)t + (3 m/s^5)t^5  a. Find the position vector of the body at t = 3.5 sec b. Find the instantaneous acceleration of the body at t = 3.5 sec  c. Find the average velocity during the time interval from t 1 = 2 sec to t2 = 4.5 sec

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The coordinates of a particle moving in the XY plane are given as function of time by: X = 5m + ( 7 m/s^4) t^4 Y = ( 10 m/s)t + (3 m/s^5)t^5 

a. Find the position vector of the body at t = 3.5 sec

b. Find the instantaneous acceleration of the body at t = 3.5 sec 

c. Find the average velocity during the time interval from t 1 = 2 sec to t2 = 4.5 sec

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