Question
Total mass of a cart is 2 metric ton in which 1 metric ton sand is loaded. The system is at rest. Sand leaks out from a hole at the bottom at a rate of 0.5kg/s and an external horizontal force of 10N acts on it. Find velocity of the cart when sand has completely leaked out.
1. 13.86m/s
2. 14.26m/s
3. 20.08m/s
4. 16.39m/s