A small hole of area of cross-section 2 mm2 is present near the bottom of a fully filled open tank of height 2 m. Taking g = 10 m/s2, the rate of flow of water through the open hole would be nearly:
1
12.6 × 10-6 m3/s
2
8.9 × 10-6 m3/s
3
2.23 × 10-6 m3/s
4
6.4 × 10-6 m3/s