Q1 = A = -ΔEk = -(Ek2 — Ek1) = Ek1 — Ek2
Ek1 = m*(v1^2)/2
Ek2 = m*(v2^2)/2
Q1 = (m/2)*(v1^2 — v2^2)
Q2 = c*m*Δt
k = Q2/Q1
k = (2*c*Δt)/(v1^2 — v2^2)
Δt = (k*(v1^2 — v2^2))/(2*c)
Δt = (0,52 * (200^2 — 100^2))/(2 * 104) = 75(градусов Цельсия)
Q1 = A = -ΔEk = -(Ek2 — Ek1) = Ek1 — Ek2
Ek1 = m*(v1^2)/2
Ek2 = m*(v2^2)/2
Q1 = (m/2)*(v1^2 — v2^2)
Q2 = c*m*Δt
k = Q2/Q1
k = (2*c*Δt)/(v1^2 — v2^2)
Δt = (k*(v1^2 — v2^2))/(2*c)
Δt = (0,52 * (200^2 — 100^2))/(2 * 104) = 75(градусов Цельсия)