Question

Ibrahim fires a gun in front of a building 167m away. If the speed of the sound is 334m/s calculate time in which he hears an echo

Answer 1

To hear an echo, the sound needs to travel to the building and travel back to Ibrahim.

Thus, the distance is 「2*167m= 334m」.

by using the formula: 「Speed * Time Taken = Distance Travelled」

334m/s * Time Taken= 334m

Time Taken= 334m/(334m/s)

Time Taken= 1s

ANSWER: 1 SECOND