Instead of moving back and forth, a conical pendulum moves in a circle at constant speed as its string traces out a cone (seefigure below). One such pendulum is constructed with a string of length L- 13.9 cm and bob of mass 0.338 kg. The stringmakes an angle e- 8.16° with the vertical.m Bob(a) What is the radial acceieration of the bob?magnitudemvs?direction(b) What are the horizontal and vertical components of the tension force exerted by the string on the bob? (Assumeradially inward to be the positive x axis and vertically upward to be the positive y axis. Express your answer in vectorform.)T-A particle of dust lands 43.8 mm from the center of a compact disc (CD) that is 120 mm in diameter. The CD speeds up fromrest, and the dust particle is ejected when the CD is rotating at 80.0 revolutions per minute. What is the coefficient of sstaticfriction between the particle and the surface of the CD?Need Help?ReadMaster

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