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A block of mass m 2.0 kg is dropped from height h=40 cm onto a spring of spring constant k = 196 - YouTube
![Abel Tesfaye on Twitter: "woke up this morning shocked and embarrassed by this photo. i'm deeply offended and will not be working with @hm anymore... https://t.co/P3023iYzAb" / Twitter Abel Tesfaye on Twitter: "woke up this morning shocked and embarrassed by this photo. i'm deeply offended and will not be working with @hm anymore... https://t.co/P3023iYzAb" / Twitter](https://pbs.twimg.com/media/DTCqrHiVQAAzVwl.jpg)
Abel Tesfaye on Twitter: "woke up this morning shocked and embarrassed by this photo. i'm deeply offended and will not be working with @hm anymore... https://t.co/P3023iYzAb" / Twitter
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