$15\mathrm{.}32$ For a hydraulic jump, $\_\_\_\_\_\_\_\_\_\_\_\_\_.($Select all of the following that are correct.$)>$ Answer a$.$ the flow changes from subcritical to supercritical. b$.$ the flow changes from supercritical to subcritical. c$.$ significant energy is lost. d$.$ the height of the water abruptly increases from the upstream to the downstream cross section.

e$.$ the downstream and upstream depth are related quantita$-$tively in terms of the upstream Fr$.$

f$.$ the energy equation is a better tool for analysis than the momentum