The area under the velocity/time graph ... between two points in time ... is the distance covered during that time.
Funny thing ... if the velocity drops below zero (usually the x-axis) during that time, then the area isn't 'under' the graph. It's still the area between the graph and the zero-axis, but it counts as 'negative area', and it <em>subtracts</em> from the total distance.
Answer:
The magnet will not pick anything up because it has lost its magnetism
Answer:
The reason that it takes longer to get the water to boiling temperature than it is to cool it down again is because heating in the most simple sense is inefficient and will cause a lot if energy lost while cooling is to be turn's into quite a efficient process.
Explanation:
Answer:
b because we apply Hooke's law
Explanation:
Hooke's law