I'm going to Beijing. How about you?
根据图片写出2道乘法算式和2道除法算式
____ ____ ____ ____
一质量为1.0kg的滑块,以4m/s的初速度在光滑水平面上向左滑行,从某一时刻起将一向右水平力作用于滑块上,经过一段时间,滑块的速度方向变为向右,大小为4m/s,则在这段时间内水平力所做的功为( )
— Excuse me, Dad, but I'm going to the club to meet my friends in the football team.
— Ok. _____.