HW Homework: MML ... Question 7, 3.10.47 Part 1 of 3 O Points: 0 of 1 A lighthouse stands 625 m off a straight shore and the focused beam of its light revolves five times each minute. As shown in the Lighthouse . figure, P is the point on shore closest to the lighthouse and Q is a point on the shore 325 m from P. What is the speed of the beam along the shore when it strikes the point Q? 625 m ents cess 325 m . . . . . ibrary Let x be the distance along the shore from point P to the beam and let 0 be the angle through which the light revolves. Write an equation that relates x and 0