A boat and a trailer weighing a total of 470 lb are parked on a boat ramp with a 21° angle of inclination. Assume that the weight of the boat and the trailer is evenly distributed between two wheels. F2 21°

The second hand of a clock is 8 centimeters long. Find the linear speed of the tip of the second hand as it passes around the clock face.

A windshield wiper rotates through a 1200 angle as it cleans a windshield. From the point of rotation, the wiper blade begins at a distance of 4 in. and ends at a distance of 18 in. The wiper blade is 14 in. in length. Find the area cleaned by the wiper blade.