A judgement or an observation?
M=400/1000=0.4kg h=17.3 g=9.8m/s2 P.E=mgh P.E=0.4(9.8)(17.3) P.E=67.8J
The two factors are mass and distance between them.
Answer:mostly likely from volcanos
Explanation:
when the volcano erupts the magma becomes lava and cools making igneous rocks