Line up in a direction parallel to the magnetic field lines<span />
A big part of the reason that mirrors are seldom if ever used to generate
electricity is the simple fact that there is no way to generate electricity using
mirrors. They are as useless for the purpose as smoke is, although there are
those who have used both items simultaneously to create the impression that
they have succeeded in that attempt.
Answer:
5 no
Explanation:
actually the 4kg lying on table has no influence
it slides towards 4kg weight hung
as it has excess 2kg force
force=miu × m ×g
Explanation:
F = ma
F = m Δv / Δt
F = (1500 kg) (0 m/s − 30 m/s) / 3 s
F = -15,000 N
