A man stands infront of a hill rock and fires a gun .he listens an echo after 1.5sec .the distance of hill rock from man is ( velocity of a sound =330ms)
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D = S/T
= 330/1.5
= 330 × 10/15
= 22 × 10
= 220
therefore the distance of Hill rock from man is 220( approx ) m
= 330/1.5
= 330 × 10/15
= 22 × 10
= 220
therefore the distance of Hill rock from man is 220( approx ) m
Ankit33133:
then what s the answer
In answer key they gave as 247.5m
yes it's the approx answer I have given
in my book it is written that 240 m( approx)
No
I don't think so.
But i n my book there is no such option like that
it may be bro don't take it seriously
I'm
Ok
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