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)?

asked Jul 25, 2022 186k views

22 votes

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8 votes

Answer:

20.58J

Step-by-step explanation:

$W=\Delta E$

$\Delta E= \Delta U_(g)$

$\Delta U_(g)=mgh$

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

McRobert answered Jul 30, 2022

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