A boat is being pulled toward a dock as shown in the figure to the right. If the rope is being pulled in at the rate of 1 foot per second, how fast is the distance between the dock and the boat decreasing when it is 3 feet from the dock? Rope 3 ft| Boat Dock The distance between the dock and the boat is decreasing by feet per second when the boat is 3 feet from the dock. (Round to the nearest thousandth as needed.)

Question Beginning 156 miles directly east of the city of Uniontown, a truck travels due south. If the truck is travelling at a speed of 31 miles per hour, determine the rate of change of the distance between Uniontown and the truck when the truck has been travelling for 81 miles. (Do not include units in your answer, and round to the nearest tenth.)

A radar gun recorded the speed of an arrow as it was shot off of a cliff.  Here is the information…                                                 time                 speed                                                 0 seconds        200                                                 1                      168                                                 2                      136                                                 3                      104   It was recorded that the speed of the arrow when it hit the ground was -210.88 feet per second.  Use all of this information to determine the initial height that the arrow was shot from