Water in a storage tank stands 2.5m above the level of a valve in the side of the tank. With what speed the water will rush out of the valve (neglecting friction)

Water in a storage tank stands 2.5m above the level of a valve in the

1.	Water in a storage tank stands 2.5m above the level of a valve in the side of the tank. With what speed the water will rush out of the valve (neglecting friction)
Answer» 5m/s 7m/s 9m/s 11m/s Answer :B