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thigan

Questions (4)

A contains 200 liters of solution in which is dissolved 40 kg ofsalt. Tank B contains 400 liters of solution in which are
1. 1 answer
2. 991 views
a periodic function f(t) is defined byf(t) = t+pi -pi<t<0 f(t) = pi 0<t<pi f(t) =f(t+2pi) i) sketch the graph of the periodic
1. 0 answers
2. 664 views
Solve the simultaneous differential equationsL(di1/dt)+Ri1+(1/2)L(di2/dt)=E L(di2/dt)+Ri2+(1/2)L(di1/dt)=0 where 𝐿, 𝑅, and
1. 0 answers
2. 454 views
consider the differential equationd^3x/dt^3 - 9(d^2x/dt^2)+ 27(dx/dt) -27x = c0s t +sin t + te^(3t) a) show that characteristic
1. 1 answer
2. 888 views