Question

匀变速直线运动相邻的相等时间间隔内的位移之差相等,即delatS=a*T^2,是怎么推导出的?

Answer 1

S1=v1T+1/2aT^2

S2=(v1+aT)T+1/2aT^2

△S=S2-S1=(v1+aT)T+1/2aT^2-(v1T+1/2aT^2)=aT^2