How can you estimate the height of a bridge by dropping a
stone from it ?

Answer Posted / sanju

The velocity of sound in air is 1120 ft per second. So we
can calculate the height of the bridge by nothing the time
of throwing the stone and its sound heard, when it strikes
the surface of the water.

Is This Answer Correct ?    2 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is Voltage Dip? why it is required for Generator Sizing?

2048


How much does two pints of water weigh when frozen?

614


Is their any rule in significant figures that maximum number of significant figures in a number are 5

1680


How do you find your body volume using a tape measure?

609


Explain the different parts of the x-ray radiation intensity graph? : quantum physics

649






Tell me what does the mev in mev photon mean?

559


What generates seismic waves?

651


the time period of three pendulums are given in a sequence as a= 1.27s b=0.85s c=0.99s the given sequence may not be correct arrange the time period in a correct sequence

1624


How is sound produced?

599


what are the Newtons principles? what is mean by gravitational force? what is mean by space technology? what is the use in space technology?

1869


mitre gears are same as

634


What is sonar ( sound navigation and ranging )?

629


What is the direction of null vector?

851


Explain why is there more friction when you push an object than when you pull it?

576


What is meant by refraction of a wave?

657