A car initially traveling eastward turns north by traveling in a circular path at uniform speed as in the figure below. The length of the arc ABC is 254 m, and the car completes the turn in 32.0 s.yAn xy cordinate system is shown.Three points A, B, and Carhown onthe graph These points arepined by adotted curve. Poinv-axis, pontwhile p Ois on te negativethe posive x-axis,35.0°Corant IX-axis.at an angFrom poirrightupward to cross B and en meets C. Anarrow indcating theelocity at point Apoints hA to the right. Anarrow indicating the velocity at point Cpoints vertically upward.A thelly moveslongB curves(a) What is the acceleration when the car isB located at an angle of 35.0°? Express your answer in terms of the unit vectors î and j.|-0.196First find the magnitude of the acceleration; then work out the components of the vector. m/s2 î +|-0.137Note that 254 is one quarter of the circumference of the circular path. m/s2 j(b) Determine the car's average speed.7.93m/s(c) Determine its average acceleration during the 32.0-s interval.-0.12The average acceleration is determined from v-v,. m/s2 î + |-0.12You can determine the y component of the average acceleration by considering only the y components of the initial and final velocities. m/s? ĵ

Car's average speed = 7.93 m/s r = 254m t = 32s

A car initially traveling eastward turns horth by traveling in a circular path unirorm speed as in the figure below. The length of the arc ABC IS 254 m, and the car Three poin the g d by a V 35.0° C B (a) What is the acceleration when the car is at B located at an angle of 35.0°? Express your answer in terms of the unit vectors î and j. -0.196 First find the magnitude of the acceleration; then work out the components of the vector. m/s² î + -0.137 Note that 254 is one quarter of the circumference of the circular path. m/s2 i (b) Determine the car's average speed. 7.93 m/s (c) Determine its average acceleration during the 32.0-s interval. -0.12 The average acceleration is determined from v.-v. m/s2 i +.0 12

A car initially traveling eastward turns horth by traveling in a circular path unirorm speed as in the figure below. The length of the arc ABC IS 254 m, and the car Three poin the g d by a V 35.0° C B (a) What is the acceleration when the car is at B located at an angle of 35.0°? Express your answer in terms of the unit vectors î and j. -0.196 First find the magnitude of the acceleration; then work out the components of the vector. m/s² î + -0.137 Note that 254 is one quarter of the circumference of the circular path. m/s2 i (b) Determine the car's average speed. 7.93 m/s (c) Determine its average acceleration during the 32.0-s interval. -0.12 The average acceleration is determined from v.-v. m/s2 i +.0 12

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter2: Vectors

Section: Chapter Questions

Problem 51P: In an attempt to escape a desert island, a castaway builds a raft and sets out to sea. The wind...

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