Two friends A and B are standing a distance x apartin an open field and wind is blowing from A to B.A beats a drum and B hears the sound `t_1` timed after he sees the event. A and B intechange their positions and te experiment is repeated. This time B hears teh drum `t_2` time after he sees the event. Calculte teh velocity of sound in still air v and the velocity of wind u. Neglect the tiem light takes in travelling between the friends.

Two friends A and B are standing a distance x apart in an open field and wind is blowing from A to B.A beats a drum and B hears the sound t_1 timed after he sees the event. A and B interchange their positions and the experiment is repeated. This time B hears the drum t_2 time after he sees the event. Suppose A and B in the previous problem change their positions in such a way that the line joining them becomes perpendicular to the direction of wind while maintaining the separation x. What will be the time lag B finds betweenseeing and hearing the drum beating by A?

Two friends A and B are standing a distance x apart in an open field and wind is blowing from A to B. A beats a drum and B hears the sound t_1 timed after he sees the event. A and B interchange their positions and the experiment is repeated. The velocity of sound in still air is v and the velocity of wind is u . This time B hears the drum t_2 time after he sees the event. Suppose A and B change their positions in such a way that the line joining them becomes perpendicular to the direction of wind while maintaining the separation x . What will be the time lag B finds between seeing and hearing the drum beating by A?

Two friends A and B are standing a distance x apart in an open field and wind is blowing in a direction perpendicular to .the line joining AB. A beats a drum and finds a time lag between seeing and hearing the drum beating by A. Find this time lag.

A man stands at a distance of 250 m from a wall. He shoots a rifle and hears the echo after 1.3 seconds. Calculate the velocity of sound.

Two junglemen are standing at the two opposite banks of a river of width l facing each other. One of the m starts beating a drum and sound reaches to the other one after time t_(1) the stats. Then second one starts beating the drum and now first one hear the sound after time t_(2) . Calculate the velocity of sound relative to air and the velocity of wind, if it is blowing from first bank to the other bank at right angle to the river flow

A man standing at a certain distance blows a horn towards a big wall. He hears the echo after 2s, if the velocity of sound in air is 340 m/s, then the distance between the man and the wall is

A person standing between two parallel hills fires a gun. He hears the first echo after 1.5 sec and the second after 2.5 sec. If the speed of sound in air is 332 m/s. Then find the time (in sec) when he hear the third echo?