Acar accelerates from rest at 4 m/s^2. what is the velocity of the car after 4 seconds?

Ifound this answer online hope it

Ithink it's  c. i'm sure 

Hellosubatomic particles  are  particles  that are smaller than the atom. protons, neutrons, and electrons are the three mainsubatomic particles  found in an atom. protons have a positive (+)  charge. an easy way to remember this is to remember that both neutron and no  electrical charge  start with the letter "n."have a nice day