A man is driving a car at a speed of 72 kmph towards a hill. He sounds the horn and hears its echo after 2 s. At what distance from the hill the horn was sounded. (Velocity of sound = `340 ms^(-1)`)

A man is driving a vechicle at 36 km/hr on a straight road towards a hill. He sounds the horn and hears its echo after 4s At what distance from the hill was the horn sounded ? (Velocity of sound = 340 ms)

A scooterist moving with a velocity of 36 kmph towards a fort wall and blows a horn. If he hears the echo after 3s, then the distance at which horn is blown from the wall is (Velocity of sound in air = 340 m/s)

A road runs midway between two parallel rows of buildings. A motorist moving with a speed of 36 km/hr sounds the horn. He hears the echo one second after he has sounded the horn. Then the distance between the two rows of buildings, will be (Velocity of sound is 330 m/s)

A road runs midway between two parallel rows of buildings. A motorist moving with a speed of 36 Km/h sounds the horn. He hears the echo one second after he has sounded the horn: Then the distance between the two rows of buildings is. (Velocity of sound in air is 330 m/s)

A car is moving with a speed of the 72 Kmh^-1 towards a hill. Car blows horn at a distance of 1800 m from the hill. If echo is heard after 10 s.the speed of sound ("in" ms ^-1) is

A car is moving with a speed of the 72 Kmh^-1 towards a hill. Car blows horn at a distance of 1800 m from the hill. If echo is heard after 10 s.the speed of sound ("in" ms ^-1) is