The particle moves around a circle with radius R and returns to the starting point. The maximum distance and displacement during the movement are______
A. 2πR 2R
B. 2R 2πR
C. 2R 2R
D. 2πR 0
Answer:A
The particle moves around a circle with radius R and returns to the starting point. The maximum distance and displacement during the movement are______
A. 2πR 2R B. 2R 2πR C. 2R 2R D. 2πR 0