Fusion thats why we can use many things today
Each musical instrument is build differently which allows it to portray a different sound kinda like humans with their voices
The real answer is wavelength just took it
Answer:
Air-7sec
Water-5sec
Explanation:
-The average speed of the stone in air is given as , average speed in water is . And the total distance is .
Let speed in air be and in water and is displacement:
#Solving the simultaneous equations:
Time in air is 7sec, Time in water is 5sec
The answers are A&C. please mark me brainliest