Answer:
Work done by the gardner is 500 J
Explanation:
As we know that the gardner apply force perpendicular upward by magnitude 300 N and along the floor horizontal force is 100 N
so we have

now the displacement of the gardner along the floor is

now work done is given as

so we have


Answer:
The net charge on the shell is 30x10^-9C
Explanation:
Pls see attached file
<span>Magnetic field lines form circles that go around the wire.</span>
Answer:
B. chemical potential energy
Explanation:
If an object, such as a ball is lifted above the ground it has gravitational potential energy.