Name: _______________________________________ Date: _______________________ HR: ______ Trigonometry: 2.3 Linear and Angular Velocity Worksheet Find the linear velocity of a point moving with uniform circular motion, if the point covers a distance s in an amount of time t, where (round answers to 3 significant digits) 1.) s = 3ft and t = 2 min 2.) s =10 ft and t = 2 min 3.) s = 12 cm and t = 4 sec 4.) s = 30 mi and t = 2 hr Find the distance s covered by a point moving with linear velocity v for a time t if 5.) v = 20 ft/sec and t = 4 sec 6.) v = 10 ft/sec and t = 4 sec 7.) v = 45 mi/hr and t = ½ hr 8.) v = 21 mi/hr and t = 20 min Point P sweeps out central angle 𝜃 as it rotates on a circle of radius r as given below. In each case, find the angular velocity of point P. 2𝜋 9.) 𝜃= 10.) 𝜃= 11.) 𝜃 = 12, 𝑡 = 3 𝑚𝑖𝑛 12.) 𝜃 = 45𝜋 , 𝑡 = 1.2 ℎ𝑟 3 3𝜋 4 , 𝑡 = 5 𝑠𝑒𝑐 , 𝑡 = 5 𝑠𝑒𝑐 In the problems that follow, point P moves with angular velocity 𝜔 on a circle of radius r. In each case, find the distance s traveled by the point in time t. 𝑟𝑎𝑑 13.) 𝜔 = 4 𝑠𝑒𝑐 , 𝑟 = 2 𝑖𝑛𝑐ℎ𝑒𝑠, 𝑡 = 5 𝑠𝑒𝑐 14.) 𝜔 = 2 𝑠𝑒𝑐 , 𝑟 = 4 𝑖𝑛𝑐ℎ𝑒𝑠, 𝑡 = 5 𝑠𝑒𝑐 15.) 𝜔= 𝑟𝑎𝑑 3𝜋 𝑟𝑎𝑑 2 𝑠𝑒𝑐 , 𝑟 = 4 𝑚, 𝑡 = 30 𝑠𝑒𝑐 For each of the following problems, find the angular velocity, in radians per minute, associated with the given rpm. 16.) 10 rpm 17.) 33 1/3 rpm 18.) 5.8 rpm For each of the following problems a point is rotating with uniform circular motion on a circle of radius r. 19.) Find v if r = 2 inches and 𝜔 = 5 rad/sec. 20.) Find v if r = 8 inches and 𝜔 = 4 rad/sec. 21.) Find 𝜔 if r = 6 cm and v = 3 cm/sec. 22.) Find 𝜔 if r = 3 cm and v = 8 cm/sec.