What is the net force on a bathroom scale when a 150-pound person stands on it

Blank is the perceived frequency of a sound wave

In which of these samples do the molecules most likely have the most kinetic energy? (2 points) a. solid ice at -5°c b. ice water at 0°c c. liquid water at 98°c d.water vapor at 150°c

Is this correct? correct me if i’m wrong!