Refraction is the change in direction of a wave.
Diffraction is the bending of a wave around a barrier.
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Answer:
Pulleys accomplish 2 separate operations throughout the computer controlled additional benefit technologies listed elsewhere here.
Explanation:
- If indeed the pulley would be connected to that same attachment point, these are named a corrected pendulum or perhaps a change in direction. Its job should be to reverse the trajectory of that same rope pull.
- Unless the pulley would be connected to that same load, this same pulley seems to be a detachable as well as a mechanical additional benefit.
I would said A is the best option if i’m wrong sorry
From the change of GPE into KE. Conservation of energy tells us this.
