Объяснение:
m = 2 кг
x1 = 0.04 м
Δx = 0.05 м
m3 = ?
k = m*g / x1
(m+m3)*g = k*(x1+Δx)
(m+m3)*g = m*g*(x1+Δx)/ x1
(m+m3)*x1 = m*(x1+Δx)
m3 = m*(x1+Δx-x1) / x1 = m*(Δx) / x1 = 2*0.05 / 0.04 = 2.5 кг
Объяснение:
m = 2 кг
x1 = 0.04 м
Δx = 0.05 м
m3 = ?
k = m*g / x1
(m+m3)*g = k*(x1+Δx)
(m+m3)*g = m*g*(x1+Δx)/ x1
(m+m3)*x1 = m*(x1+Δx)
m3 = m*(x1+Δx-x1) / x1 = m*(Δx) / x1 = 2*0.05 / 0.04 = 2.5 кг