Answer:
Why do metals conduct heat so well? The electrons in metal are delocalised electrons and are free moving electrons so when they gain energy (heat) they vibrate more quickly and can move around, this means that they can pass on the energy more quickly.
4ms I'm just guessing by the way
Light travels faster than sound ,because sound can only travel waves.
Answer:
180°
Explanation:
Friction, if it exists, ALWAYS opposes motion or attempted motion.
