uolilmanou uolilmanou

04-03-2021
Physics

contestada

How much work is required to raise a 0.75 kg flag from shoulder height (1.2m) To the top of the flag pole (4 m)?

Respuesta :

harrisg1920 harrisg1920

04-03-2021

Answer:

20.58J

Explanation:

[tex]W=\Delta E[/tex]

[tex]\Delta E= \Delta U_{g}[/tex]

[tex]\Delta U_{g}=mgh[/tex]

[tex]mgh=(.75kg)(9.8m/s^2)(2.8m)=20.58J[/tex]

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