A car runs at constant speed on a circular track of radius 10 m taking 6.28s on each lap (i.e. round).The average speed and average velocity for each complete lap is________
A. Velocity 10 m/s, speed 10 m/s
B. Velocity zero, speed 10 m/s
C. Velocity zero, speed zero
D. Velocity 10 m/s speed zero
Answer:B
A car runs at constant speed on a circular track of radius 10 m taking 6.28s on each lap (i.e. round).The average speed and average velocity for each complete lap is________
A. Velocity 10 m/s, speed 10 m/s B. Velocity zero, speed 10 m/s C. Velocity zero, speed zero D. Velocity 10 m/s speed zero