問題詳情
1. Two balls, projected at different times so they don't collide, have trajectories A and B, as shownbelow. Which statement is correct?
(A) VOB must be greater than voA.
(B) Ball A is in the air for a longer time than ball B.
(C) Ball B is in the air for a longer time than ball A.
(D) Ball B has a greater acceleration than ball A.
(E) Ball A has a greater acceleration than ball B.
參考答案
答案：C
難度：計算中-1
書單：沒有書單，新增