设滴水时间间隔为t,屋檐高为h,已知窗高为1m,g=9.8m/(t*t).
1/2*g*(3t)*(3t)-1/2*g*(2t)*(2t)=1m
1/2*g*(5t*t)=1
t=0.20s
h=1/2*g*(4t)*(4t)
=3.2m
所以(1)屋檐高3.2m
(2)滴水间隔0.2s
设滴水时间间隔为t,屋檐高为h,已知窗高为1m,g=9.8m/(t*t).
1/2*g*(3t)*(3t)-1/2*g*(2t)*(2t)=1m
1/2*g*(5t*t)=1
t=0.20s
h=1/2*g*(4t)*(4t)
=3.2m
所以(1)屋檐高3.2m
(2)滴水间隔0.2s