Look at bitesizes physics section, they have all the information you need to complete this question.
Answer:
A super conductor is a perfect conductor that has zero resistance. It doesn't just have very low resistance and conducts electricity well, it has ZERO resistance and conducts electricity perfectly with no losses at all
Answer:
12m/s
Explanation:

Let's call the velocity that the car maintains for 10 seconds
, and the final velocity
.

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Answer:
10 km East
Displacement is the shortest path between two points.
Answer:
Heat flows from hot to cold objects. When a hot and a cold body are in thermal contact, they exchange heat energy until they reach thermal equilibrium, with the hot body cooling down and the cold body warming up. This is a natural phenomenon we experience all the time.
Explanation: