Physics, 22.07.2021 04:40 dwighthibbert56
Một con lắc lò xo thẳng đứng tại nơi có gia tốc g=10m/s lò xó có k=50N/m khi dao động thì lực kéo cực đại và lực nén cực đại lần lượt là 4N và 2N. Vận tốc cực đại là
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Một con lắc lò xo thẳng đứng tại nơi có gia tốc g=10m/s lò xó có k=50N/m khi dao động thì lực kéo cự...
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