Remember that two of the same charge repel each other.
These two balls are repelling each other. So they must both have the <em>SAME charge</em>. (last choice on the list)
Explanation:
the figure in the left side has higher frequency.
because it has more nos. of wave in 1sec.
Answer:
The law of conservation of energy can be seen in these everyday examples of energy transference: Water can produce electricity. Water falls from the sky, converting potential energy to kinetic energy. ... The cue ball loses energy because the energy it had has been transferred to the 8 ball, so the cue ball slows down
Explanation: