#16

Read 4.6
On 40 may get derivative from graph, on all other problems you must show finding the derivative formula.
4.6; 3, 7, 10, 18, 21, 33, 35, 38, 40.  
p. 312; 76.
On 76: Plot over 0 to 2 sec.  Measurements are positive going counterclockwise and negative going clockwise (as is usual in math).  So in d, positive acceleration corresponds to counterclockwise force.