The position of an object moving in a straight line is, Ask an Expert

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The position of an object moving in a straight line is given by x= 5+3.0t - 40t^2 -20t^3, where x is in meters and t in seconds.

a) What is the position of the object at t=1,2,3 and 4 s

b) What is the object displacement between t=2 and t = 4s?

c) What is the average velocity for the time interval from from t =3 to t = 4 s ?

d) What is the instantaneous acceleration at t = 1 , 2 , 3 and 4 s ?

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Category:- Physics
Reference No.:- M9980859

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