A 801.6N marine in basic training climbs a 14.3m vertical rope in 15.2s at a constant speed. How much power does he exert during the climb?

Since the energy was not raising the temperature of the water during these segments, what was the energy used to do instead? your answer must include an explanation of what is happening to the molecules.

Adolphin emits ultrasound at 100khz and uses the timing of reflections to determine the position of objects in the water. part a what is the wavelength of this ultrasound? assume that temperature of water is 20 degrees c. answer in cm

The smallest particle of an element that retains its identity in a chemical reaction. true or false