# physics

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A circular racetrack with 250m radius lies in the x-y plane and is centered at the origin. A car rounds the track counterclockwise starting at the point (250m , 0).
Find the total distance traveled after one-quarter lap.
Find the total displacement after one-quarter lap.
Find the total distance traveled after one-half lap.
Find the total displacement after one-half lap.
Find the total distance traveled after one complete lap.
Find the total displacement after one complete lap.

• physics -

1. s1=(2πR)/4=392.7 m
2. d1=250â˘sqroot(2)=353.6 m
3. s2=(2πR)/2=785.4 m
4. d2=2R=500 m
5 s3=2πR=1571 m
6. d3=0

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