A ball fell vertically from a height of 2m from the ground, and after hitting the ground, it bounced back to a height of 0.9m. In this process, the distance and displacement of the ball are respectively______
A. 2.9m, 2.9m
B. 2m, 0.9m
C. 2.9m, 1.1m
D. 2.9m, 0.9m
Answer:C
A ball fell vertically from a height of 2m from the ground, and after hitting the ground, it bounced back to a height of 0.9m. In this process, the distance and displacement of the ball are respectively______
A. 2.9m, 2.9m B. 2m, 0.9m C. 2.9m, 1.1m D. 2.9m, 0.9m