Fтр. = -ma;
S = V0^2 - V^2/2a; a = V^2 - V0^2/2S = -5^2/2*250 = -0.05;
Fтр. = 0.05*20000 = 1кН
M * V^2/2 = 2
A = F * s * cos a
A = F * s
M * V^2/2 = F * s тогда
F = M * V^2/2 * s
F = 20 * 10^3 * 5^3/2 * 250 = 10^3 Н
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Fтр. = -ma;
S = V0^2 - V^2/2a; a = V^2 - V0^2/2S = -5^2/2*250 = -0.05;
Fтр. = 0.05*20000 = 1кН
M * V^2/2 = 2
A = F * s * cos a
A = F * s
M * V^2/2 = F * s тогда
F = M * V^2/2 * s
F = 20 * 10^3 * 5^3/2 * 250 = 10^3 Н