Two tall buildings are `30 m` apart. The speed with which a ball must be thrown horizontally from a
Channel: Doubtnut
Date: 2020-07-26

Two tall buildings are `30 m` apart. The speed with which a ball must be thrown horizontally from a window `150 m` above the ground in one building so that it enters a window `27.5 m` from the ground in the other building is.