4 y 10 14 A man standing between two cliffs claps his hands

Last updated: 6/9/2023

4 y 10 14 A man standing between two cliffs claps his hands 19 Aarobserw D sound wit and starts hearing a series of echoes at intervals of 2 sec Since the speed of sound in air is 340 m sec The distance between the cliffs must be sound T 15 1 340 m 3 1020 m 2 680 m 4 170 m vibrator makes 150 cm of a string to vibrate in 6 loops in the longitudinal arrangement when it is ON The entire length of the string 20 zero A persc of sour towar 320 m appre 1