A person stands 6.00 m from a speaker, and 8.00 m from an
identical speaker. What is the
frequency of the second (n = 2)
interference maximum
(constructive)?
(Hint: v = f = 343 m/s)
(Unit = Hz)

What is the earliest point in the universe that we can observe? why can’t we see back further than this?

This is important 1. what happens to the speed of molecules in water vapor when it condenses to form a liquid? (2 points) the molecules slow down. the molecules speed up. the molecules slow down and then speed up. the molecules speed up and then slow down. 2. how might human activities change to compensate for a decrease in water supplies? (2 points) humans might build a factory. humans might build drainage systems. humans might extract more water from the ground. human behavior does not change because of the water cycle. i'll be grateful if anyone can answer these 2 questions !

A58-kg boy swings a baseball bat, which causes a 0.140-kg baseball to move toward third base with a velocity of 38.0 m/s.