notreal7159 notreal7159 12-03-2024 Physics contestada Let y(t)= r(t+5) - r(t+4) + u(t-4) - r(t-4) + r(t-5), where r(t) is the ramp function. a) plot y(t) b) plot z(t)=y(10t-5) c) plot y’(t) d) calculate the energy of y(t)