Σ(っ゚Д゚;)っΣ(っ゚Д゚;)っΣ(っ゚Д゚;)っΣ(っ゚Д゚;)っΣ(っ゚Д゚;)っΣ(っ゚Д゚;)っΣ(っ゚Д゚;)っ(๑-﹏-๑)o(╥﹏╥)o(๑-﹏-๑)o(╥﹏╥)o(╥╯﹏╰╥)งっ╥╯﹏╰╥c(๑-﹏-๑)(╥╯﹏╰╥)งΣ(っ゚Д゚;)っ凸(-_-)凸っ╥╯﹏╰╥c(╥╯﹏╰╥)งΣ(っ゚Д゚;)っ(๑-﹏-๑)っ╥╯﹏╰╥c:;(∩´﹏`∩);:Σ(っ゚Д゚;)っっ╥╯﹏╰╥co(╥﹏╥)o(๑-﹏-๑)(╥╯﹏╰╥)งo(╥﹏╥)o:;(∩´﹏`∩);:っ╥╯﹏╰╥c(╥╯﹏╰╥)งo(╥﹏╥)o:;(∩´﹏`∩);:o(╥﹏╥)o(╥╯﹏╰╥)งΣ(っ゚Д゚;)っ:;(∩´﹏`∩);:o(╥﹏╥)o(๑-﹏-๑)o(╥﹏╥)o:;(∩´﹏`∩);:o(╥﹏╥)o(๑-﹏-๑)o(╥﹏╥)o:;(∩´﹏`∩);:o(╥﹏╥)o:;(∩´﹏`∩);:(๑-﹏-๑)Σ(っ゚Д゚;)っ:;(∩´﹏`∩);:Σ(っ゚Д゚;)っ(๑-﹏-๑)っ╥╯﹏╰╥c(╥╯﹏╰╥)งo(╥﹏╥)o(╥╯﹏╰╥)งo(╥﹏╥)o(๑-﹏-๑)o(╥﹏╥)o:;(∩´﹏`∩);:Σ(っ゚Д゚;)っ:;(∩´﹏`∩);:o(╥﹏╥)o
Σ(っ゚Д゚;)っΣ(っ゚Д゚;)っΣ(っ゚Д゚;)っΣ(っ゚Д゚;)っΣ(っ゚Д゚;)っΣ(っ゚Д゚;)っΣ(っ゚Д゚;)っ(๑-﹏-๑)o(╥﹏╥)o(๑-﹏-๑)o(╥﹏╥)o(╥╯﹏╰╥)งっ╥╯﹏╰╥c(๑-﹏-๑)(╥╯﹏╰╥)งΣ(っ゚Д゚;)っ凸(-_-)凸っ╥╯﹏╰╥c(╥╯﹏╰╥)งΣ(っ゚Д゚;)っ(๑-﹏-๑)っ╥╯﹏╰╥c:;(∩´﹏`∩);:Σ(っ゚Д゚;)っっ╥╯﹏╰╥co(╥﹏╥)o(๑-﹏-๑)(╥╯﹏╰╥)งo(╥﹏╥)o:;(∩´﹏`∩);:っ╥╯﹏╰╥c(╥╯﹏╰╥)งo(╥﹏╥)o:;(∩´﹏`∩);:o(╥﹏╥)o(╥╯﹏╰╥)งΣ(っ゚Д゚;)っ:;(∩´﹏`∩);:o(╥﹏╥)o(๑-﹏-๑)o(╥﹏╥)o:;(∩´﹏`∩);:o(╥﹏╥)o(๑-﹏-๑)o(╥﹏╥)o:;(∩´﹏`∩);:o(╥﹏╥)o:;(∩´﹏`∩);:(๑-﹏-๑)Σ(っ゚Д゚;)っ:;(∩´﹏`∩);:Σ(っ゚Д゚;)っ(๑-﹏-๑)っ╥╯﹏╰╥c(╥╯﹏╰╥)งo(╥﹏╥)o(╥╯﹏╰╥)งo(╥﹏╥)o(๑-﹏-๑)o(╥﹏╥)o:;(∩´﹏`∩);:Σ(っ゚Д゚;)っ:;(∩´﹏`∩);:o(╥﹏╥)o
a=2*S/t^2=2*5/4=2,5 м/с2
k*x=m*(g-a)
m=k*x/(g-a)=100*1,5*10^-2/(10-2,5)=0,2 кг