https://padlet.com/sindeb1/2mjxorpjcuff Calculate the power of a machine that can do 15 J of work in 3 seconds? en-us 2016-12-01 20:50:55 UTC 2025-11-19 21:00:10 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Rafaelo.png