2012 Shanghai Question 12 Single-choice Differentiating 2012_上海 Paper 12.如图,斜面上a、b、c三点等距,小球从a点正上方O点抛出,做初速为 $\mathbf { v } _ { 0 }$ 的平抛运动,恰落在b点。若小球初速变为 v,其落点位于c,则 A. $\mathbf { v } _ { 0 } < \mathbf { v } < 2 \mathbf { v } _ { 0 }$B. $\scriptstyle \mathbf { v } = 2 \mathbf { v } _ { 0 }$C. $2 \mathrm { v } _ { 0 } < \mathrm { v } < 3 \mathrm { v } _ { 0 }$D. $\mathbf { v } { > } 3 \mathbf { v } _ { 0 }$ Answer keyA ☆ SaveCan't do it, show the explanation查看原卷 →