It’s C :/ the other guy is wrong
Transformers only work with AC.
If you put DC into a transformer, all that comes out is smoke.
(a)
Atoms are electrically neutral because they have equal numbers of protons (positively charged) and electrons (negatively charged). If an atom gains or loses one or more electrons, it becomes an ion. If it gains one or more electrons, it now carries a net negative charge, and is thus "anionic."
Answer:
= - 0.41m/s
Explanation:
Velocity of first satellite
Velocity of the second satellite
Final velocity = V(1) - V(2)
≅ -0.41m/s
Q3. (a) 0m/s, as they are asking for initial velocit.
(b)(i) The paper has a large surface area or weighs less than the coin,thus,falls smoothly.
(ii)The coin has more mass than the paper.
(c) They fall at the same acceleration and hit the bottom at the same time.
Their mass doesn't matter in the vacuum.
