A herdsman yelling out to fellow herdsman heard his voice reflected by a cliff 4s later. What is the velocity of sound in air if the cliff is 680m away
Jamb 1978 A herdsman yelling out to fellow herdsman heard his voice reflected by a cliff 4s later. What is the velocity of sound in air if the cliff is 680m away? A. 170m/s B. 136m/s C. 340m/s D. 680m/s E. 510m/s ANSWER: Option C EXPLANATION: Apply the formula below; […]
