Consider one-dimensional isentropic flow at a Mach number of $0.5 .$ If the area of cross-section of a streamtube increases by $3 \%$ somewhere along the flow, the corresponding percentage change in density is________________
Consider one-dimensional isentropic flow at a Mach number of $0.5 .$ If the area of cross-section of a streamtube increases by $3 \%$ somewhere along the flow, the corresponding percentage change in density is________________