The energy entering the system is equal to the energy leaving the system. based on the laws of conservation of energy, how many units of energy are entering the system?

5 units
10 units
15 units
20 units

According to the law of conservation of energy, it mainly states that " Energy can neither be created nor destroyed; rather, it transforms from one form to another." Since you have not provided the given value, it is significant to bear in mind that the energy leaving the system is equal to the energy that had entered that system.