Suppose the coefficient of kinetic friction between ma and the plane in the figure(figure 1) is μk = 0.15, and that ma=mb=2.7kg.

a) as mb moves down, determine the magnitude of the acceleration of ma and mb, given θ = 35∘.

b) what smallest value of μk will keep the system from accelerating?

This chart shows characteristics of three different types of waves. which statement is best supported by the information in the chart? wave x and wave y are mechanical waves, and wave z is an electromagnetic wave. wave x and wave y are electromagnetic waves, and wave z is a mechanical wave. wave x and wave z are electromagnetic waves, and wave y is a mechanical wave. wave x and wave z are mechanical waves, and wave y is an electromagnetic wave.