The problem that follow involve straight-line motion. The time t is in seconds unless otherwise stated.
Problem
The milling machine is programmed so that during the interval of time from t=0 to t = 2 s. the position of its head (in inches) is given as a function of time by s = 4t –2r2. What are the velocity (in in/s) and acceleration (in in/s2) of the head at t = 1s?
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