How much energy is required to change a 42g ice cube from ice at -11c to steam at 111c

Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of

The basketball coach tells his team to run sprints back and forth across the court, which is 30 m long. they start at the left end of the court, run back and forth 6 times, then end back at the left end of the court where they began. what distance did they run? what is their displacement?

Blank is the perceived frequency of a sound wave