2.5 kg because you cant change the weight of the rock
Answer:
Thermal conduction is the transfer of internal energy by microscopic collisions of particles and movement of electrons within a body. The colliding particles, which include molecules, atoms and electrons, transfer disorganized microscopic kinetic and potential energy, when joined known as internal energy.
Explanation:
sana makatulong
Answer: f=20 (i think)
Explanation:
all I did was divide 300 and 15.
300/15= 20