Classify the systems as linear or nonlinear systems, and time-varying or time-invariant systems, where x(t) and y(t) represent the input and output, respectively: [a] y(t) = 0.2x(t - 1) [b] y(t) = tx(t) [c] y(t) = x(t) + t [d] y(t) = x(t) + 1 [e] y(t) = x(t) cos (t)

energy can cross the boundaries of a closed system in the form of heat and mass

explanation:

answer:

science is the study of the nature and behavior of natural things and the knowledge that we obtain about them. a science is a particular branch of science such as physics, chemistry, or biology. physics is the best example of a science which has developed strong, abstract theories.

pseudoscience is a collection of beliefs or practices mistakenly regarded as being based on scientific method.

plz rate as brainliest

answer:

understeer generally occurs when the front tyres start slipping while you go around the curve.

explanation:

hope it !