A particle moves in a straight line and its distance S(m) from a point is given by S=45t+11t-t^3. Find. expression of velocity in terms of t,the expression for acceleration in terms of t and the velocity and acceleration when t= 3 seconds?
1 Answer
Aug 30, 2017
See the explanation below
Explanation:
The distance is
The velocity is the derivative of the distance
The acceleration is the derivative of the velocity
Therefore, when
and