Question

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)?

Answer 1

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`