How does newton’s third law of motion apply to a meteorite hitting earths surface

"why is graphite used instead of gold or copper wires to conduct electricity in very hot situations such as an industrial kiln? " that's the question, but the thing is, i don't even understand what an "industrial kiln" xd assistance would be < 3

Which law represents the thermodynamic statement of the conservation of energy of a system? a. the fourth law b. the first law c. the second law d. the third law

Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?