A POWDERMAN SET A FUSE FOR A BLAST TO TAKE PLACE IN 30SEC.HE RAN AWAY AT A RATE OF 8 YARDS PER SECOND.SOUND TRAVELS AT A RATE OF 1080 FT PER SECOND.WHEN THE POWDERMAN HEARD THE BLAST,HE HAD RUN APPROXIMATELY?
Answers
Answered by
7
Let us say when he heard the sound at ( 30 + t ) sec . It is more than 30sec because sound blasted after 30 sec and sound has to travel to reach the man.
By this time sound travelled : t * 360 yrds and man travelled (30+t)*8 yrds
So 360t = 8t + 240 => t = 15/22 sec. So distance is 15*360/22 yrds
By this time sound travelled : t * 360 yrds and man travelled (30+t)*8 yrds
So 360t = 8t + 240 => t = 15/22 sec. So distance is 15*360/22 yrds
Similar questions