Question

A Revie a = | Value Units The motorcycle is traveling at 50 m/s when it is at A. The speed is then decreased at v = (0.048) m/s?, where s is in meters measured from A. Suppose that A = 160 m . (Figure 1) Submit Request Answer Figure Part < 1 of 1 > Determine the direction of the acceleration of the motorcycle when it reaches B measured counterclockwise from the negative z axis. Express your answer using three significant figures. P VO AXO # vec O2 ? Subrnit Request Answer

Answer 1

V =-0.045 =a >> 0. 045 - vdv os . ds cv » - 6.04s) ds = favov 3 2004 -83 v2 -50 = v= V 2500 – 0.0452 12 180- - € s = 10 = (160) 60" X T - s = 167.6 m SO VE V 2500 -0-04(167-6) - » v= [ 37.11 m/s # ay = v= -0.04 (167-6) = -6.702 misz # an = v² = 37.112 = 8.603 m/s2 - E 160 a = √(-6-702)² +8.603² = 10.9 m/s² 0 = tan- 1 an = tan-1/8.603 1 = -52.08 - at 1-6-702 0 = $+60' = -52-08*+60° 3 0 = 7.92 at