Answer:
B
Explanation:
Heat increase molecular motion
I would say that the answer is A.
Add then divide the hint clearly backs it up two so yeahh
Answer:
Explanation:
Given
mass of bullet 
speed of bullet 
bullet is stopped by building and heat produced is shared between building and bullet
Kinetic Energy of bullet is converted into Thermal energy
Kinetic Energy of bullet 


So 315.06 J of Energy is converted in to thermal energy