Primaria Sliding box

[Atlantic717]

[IMG]file:///C:/Users/Esteban/AppData/Local/Temp/moz-screenshot-1.png[/IMG]A 2.80 kg box slides down a rough incline plane from a height h of 1.99 m. The box had a speed of 3.21 m/s at the top and a speed of 2.78 m/s at the bottom. Calculate the mechanical energy lost due to friction (as heat, etc.).

[arreldepi]

Re: Sliding box

[IMG]file:///C:/Users/Esteban/AppData/Local/Temp/moz-screenshot-1.png[/IMG]A 2.80 kg box slides down a rough incline plane from a height h of 1.99 m. The box had a speed of 3.21 m/s at the top and a speed of 2.78 m/s at the bottom. Calculate the mechanical energy lost due to friction (as heat, etc.).

Hola,

Tienes que plantear:

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Sustituyes valores y ya está.

Un saludo!