Question text
24 A firework is launched vertically from the ground. When the firework reaches a height of 360m, the firework explodes, producing coloured light. A student on the ground below the firework incorrectly measures the time between seeing the coloured light and hearing the explosion. The student obtains a value of 1.8s. What is the speed of sound that the student’s value suggests? A 200m/s B 360m/s C 400m/s D 650m/s
24 A firework is launched vertically from the ground.
When the firework reaches a height of 360m, the firework explodes, producing coloured light.
A student on the ground below the firework incorrectly measures the time between seeing the
coloured light and hearing the explosion. The student obtains a value of 1.8s.
What is the speed of sound that the student’s value suggests?
A 200m/s B 360m/s C 400m/s D 650m/s
Select your answer: