A point source emits sound waves with a power output of 100 watts. What is the sound level (in dB) at a distance of 5.0 m

25pts the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Aquarterback pedals 3.3meters southward and then run 5.7meters northward. whats the distance ? and whats the displacement?

How do we measure or think of speed in the united states?