2/08 Exercise 8.06 Jaa Sulje Kirjaudu sisään lähettääksesi tämän lomakkeen a) The speed of sound was measured with a loudspeaker and a microphone spaced [[$ 20 $]] m apart. The sound took [[$ 60 $]] ms to travel through the interval. Based on the measurement, calculate the speed of sound. The speed of sound is: [[$ v ≈ $]] m/s b) You will hear a thunder [[$ 10 $]] seconds after the flash fires. How far from you was the lightning struck? The distance between you and the thunder is about [[$ s ≈ $]] km. c) You stand in front of a stone wall and let out a loud exclamation towards the stone wall. The echo will reply to you in [[$ 13 $]] seconds. Assess the distance between you and the stone wall? The distance between you and the stone wall is: [[$ s ≈ $]] km. Kirjaudu sisään lähettääksesi tämän lomakkeen