Math and the study of motion
<span>Audible beats are formed by the interferences of two waves in which are from the slightly different frequencies which is letter a. It is because having two waves that consist of slightly different frequency causes or produce the audible beats to be formed in which they are beats that causes sound to be either loud or soft.</span>
Answer:
454 km
Explanation:
A train travels at 227 km per hour ( at average). So to find the distance it travels for 2 hours, you simply multiply the avg speed by time travelled.