A road runs between two parallel rows of buildings. A motorist moving just in the middle with a velocity of 
, sounds the horn. He hears an echo one second after sounding the horn. Find the distance (in metre) between the two rows of the buildings. The velocity of sound 
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
Suppose 
is the distance between two rows of the buildings. The distance travelled by car in 1 second
The distance travelled by sound in 1 second
From the figure 
Thus the distance between two rows of the buildings 
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
The ends of a stretched wire of length L are fixed at and In one experiment, the displacement of …
In a large room, a person receives direct sound waves from a source 120 meters away from him. He al…
A train has just complicated a U-curve in a track which is a semicircle. The engine is at the forwa…
In the experiment for the determination of the speed of sound in air using the resonance column met…
Two cars are moving on two perpendicular roads towards a crossing with uniform speeds of 72 km/hr a…
A source producing sound of frequency 170 Hz is approaching a stationary observer with a velocity 1…