Sonar stands for "sound navigation and ranging,” and it is used to map and explore the ocean floor.
what best describes a sonar wave?

Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.

If a stone with an original velocity of 0 is falling from a ledgeand takes 8 seconds to hoybthe ground whays the final velocity of the stone

Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?