Answer:
7.39 m or 3.61 m
Explanation:
= Wavelength
f = Frequency = 90 Hz
v = Speed of sound = 340 m/s
Path difference of the two waves is given by

Velocity of wave


So, the location from the worker is 7.39 m or 3.61 m
Answer:
smaller one
Explanation:
even though he is moving quicker doesn't mean he will be packing more force in the collision
3.0 A i got it off Quizlet and there usually always right lol can't submit tho my answers to short.... Dot dot dot
Answer:
I think the right answer is option B.