The splash of sound was heard `5.35 s` after dropping a stone into a well 122.5 m deep. Velocity of sound in air is

A splash is heard 3.91 after a stone is dropped into a well of 67.6 m deep. The speed of sound in air is

A splash is heard 3.91 after a stone is dropped into a well of 67.6 m deep. The speed of sound in air is

A splash in heard 3.12 s after a stone is dropped into a well 45 m deep. The speed of sound in air is [ g =10 ms ^(-2)]

A splash in heard 3.12 s after a stone is dropped into a well 45 m deep. The speed of sound in air is [ g =10 ms ^(-2)]

A splash is heard 3.12s after a stone is dropped into a well 45 m deep. The speed of sound in air is [g=10 ms^(-2)]