A car starts from rest and moves along a straight path as described by the following piecewise function.
What is the displacement and acceleration of the automobile at t-15, 45, and 50 seconds. Construct a v--t graph from 0 to 50 seconds.
v(t)=5 ft/s, t?15 sec
v(t)=5 ft/s, 15
v(t)=5 ft/s, 45