Answer:
Magnitude of fourth displacement is approximately 95 metres,
Direction of fourth displacement is straight west.
D, as the others will result in the likelihood of the particles colliding decreasing
Hope it helps))
Explanation :
Absorption coefficient of a material determines how much sound is absorbed by the material.
To build a soundproof room, Heavy curtains and carpet can be used. They reduce reverberation.
Reverberation means an echoing sound which persists for some time. For example, when we bang on a huge piece of metal, we hear the reverberation even after we stop banging.
Hence, option (A) and (D) are correct.
Answer:
Microwaves fall in the range of the EM spectrum between radio and infrared light.
Explanation:
