dy/dx if y = 2 (1 + cosx )^3 dy/dx = dy/du * du/dx <--let u = (1+ cosx) = d(2u^3)/du * d(1+cosx)/dx = (2*3u^2) * (-sinx) = [6(1+cosx)^2] * (-sinx) = -6sinx(1+cosx)^2
At any time t after the chain is released, let x (it is a function of t) be the length of... o ↓ W W depends on the length of the chain that is hanging. So, W = Mx/L * g, where...
(a) Linear density of chain p = 0.33/0.25 kg/m = 1.32 kg/m Since net force Fn equals...mass of chain being in the air and v is the speed of the lifting chain . thus, Fn = v(dm/dt) [ because v being constant ] But m = p...
It depends how you connect the chains . If the two pieces of chains are hooked togetger...
...3)a a=0.7ms^-2 (b):T1 is the tension in the coupling chain between (wagon no.1) and (engine). T2 is the tension in the ...