Answer:
The number of interference fringes is
Explanation:
From the question we are told that
The wavelength is
The distance of separation is
The order of maxima is m = 5
The condition for constructive interference is
=>
=>
So at
=>
He could spray the fire extinguisher in the opposite direction of the ship. This is definitely the answer because its all about momentum
Answer:
Sonar
Explanation:
Sonar is a technique that involves the use of sounds in viewing substances in a water medium to aid movement or communication. It makes use of the advantage of sound waves traveling faster and farther in water when compared to other types of waves such as light waves.
During World War II, the military employed the use of SONAR in imaging the seafloor by sending pulses of sound waves down through the water and measuring the time it took for the sound to bounce off the seafloor and return to the receiver.
Answer:
idk search it on google chrome
Explanation: