# A car initially traveling eastward turns north by traveling in a circular path a

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zwbbql132

Engineering

### Question Description

A car initially traveling eastward turns north by traveling in a circular path at uniform speed as in the figure. The length of the arc ABC is 270 m, and the car completes the turn in 31.0 s.

(a) Determine the car's speed.
m/s

(b) What is the magnitude and direction of the acceleration when the car is at point B?
 magnitude Your response differs from the correct answer by more than 10%. Double check your calculations. m/s2 direction ° counterclockwise from the +x-axis

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a) speed=270/31=8.7097m/s

b) acceleration=velocity/distance

=8.7097/270

=0.0322 m/s^2

direction:

=s/r

=(270/r)°

ZnguPnyphyngbe (47)
UCLA
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