1.

The thunder of cloud is heard 9.8 seconds later than the flash of lightning. If the speed of sound in air is 330ms^(-1) , what will be the height of the cloud?

Answer»

Solution : The height of the CLOUD (DISTANCE) - SPEED of sound `xx`time
`d=vxxt`
`=330xx9.8`
d=3224m
`:.` The height of the cloud is 3234 m


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