Answers

2016-03-13T07:03:19+05:30
Increase because with increase in every 1 degree Celsius of temperature speed of sound increases by 0.6 metres per second
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2016-03-13T07:08:03+05:30
On a hot day speed of sound increases
molecule having the high temperature possess high energy . thus the vibration of particle is faster than that of a cool day. the speed of the sound depends upon the time they take to complete their mean position . thus on a hotter day speed of light is more
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