Question

hses9511

求解 謝謝

Answer 1

Ryan

彈力位能分配一部分變成m1的動能
一個等號買單 列式如圖

Answer 2

Dennis

F=KX X=F/K
E=(1/2)KX^2=(1/2)F^2/K
Ek1=[m2/(m1+m2)]*(1/2)F^2/K
Ek1=(1/2)m1V^2代入
V=F√m2/Km1(m1+m2)