Alright, to begin with. The unit of Force is in Newtons. Meaning the first two options are out of the answers. Now in order to find the force. You will need to take the mass and multiply that by the acceleration. Which will give you 26.75 Newtons.
The specific heat of water is 4.186.
The atomic number is the same as the proton number so the answer would be D) 10
