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27 Nov 2019
On a day when the speed of sound in air is 340 m/s, a bat emits ashriek whose echo reaches it .025 s later. How far away was theobject that reflected back the sound?
a) 4.25 m
b).85 m
c) .425 m
d) 8.5 m
On a day when the speed of sound in air is 340 m/s, a bat emits ashriek whose echo reaches it .025 s later. How far away was theobject that reflected back the sound?
a) 4.25 m
b).85 m
c) .425 m
d) 8.5 m
Trinidad TremblayLv2
23 Aug 2019