What is a travelling wave and a standing wave? What are the differences between both of them?
Answer: First of all we have to understand that a traveling wave is an organized disturbance traveling with a well defined wave speed. On the other hand standing waves are the combination of period waves with their reflected waves creating double sided waves. The differences between them is that standing waves have nodes and antinodes while a traveling wave does not.
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the answer is 1 because a single pulley has 1 rope
C the runners feet pushing against the ground describes the acceleration toward the finish line
Answer:
wA - T =mA(a)
second option
Explanation:
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Answer:
Friction always acts opposite to the motion.