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Laboratory Assignment: 1. A person standing between two vertical cliffs and 730 m away from the nearest cliff shouted. H
Posted: Fri Apr 29, 2022 10:48 am
by answerhappygod
- Laboratory Assignment 1 A Person Standing Between Two Vertical Cliffs And 730 M Away From The Nearest Cliff Shouted H 1 (23.41 KiB) Viewed 30 times
Laboratory Assignment: 1. A person standing between two vertical cliffs and 730 m away from the nearest cliff shouted. He heard the first echo after 4.5 seconds and the second echo 3.5 seconds later. Calculate: (a) the velocity of sound in air, and (2 marks) (b) the distance between the cliffs. (3 marks) 2. Sound waves travel with a speed of 332m/s. What is the wavelength of sound, whose frequency is 540 Hz? (3 marks)