摘要：12．图6是我国跳水队员为迎接北京08年奥运会而刻苦训练的情景.在她离开跳板向上运动到最高点的整个过程中.关于她的动能.重力势能以及它们之间的相互转化.下列说法中正确的是 A．动能一直增大 B．动能先增大后减小 C．重力势能转化为动能 D．动能转化为重力势能 请用铅笔将选择题的答案在答题卡上涂上横线(▅). 1 2 3 4 5 6 7 8 9 10 11 12 [A] [A] [A] [A] [A] [A] [A] [A] [A] [A] [A] [A] [B] [B] [B] [B] [B] [B] [B] [B] [B] [B] [B] [B] [C] [C] [C] [C] [C] [C] [C] [C] [C] [C] [C] [C] [D] [D] [D] [D] [D] [D] [D] [D] [D] [D] [D] [D]

网址：http://m.1010jiajiao.com/timu3_id_1323401[举报]