https://padlet.com/sindeb1/qtyrrl2am75n Calculate the power of a machine that can do 15 J of work in 3 seconds? en-us 2016-12-01 20:51:52 UTC 2016-12-02 18:24:22 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Rafaelo.png