<span>1.an electric is induced when you move a magnet through a coil wire
2.a greater electric current is induced if you add more loops of wire</span>
Answer:
Gold is not used for making electric wires because it is too rare, and too costlier than Copper. Silver and copper are used for making wires. Copper is almost used in electric lines
The speed of the runner is 300 m /38 seconds. You can simplify this answer to be about 7.9 m/s
K.E1=1/2×100×3²
=50×9
=450J
K.E2=1/2×100×36
=50×36
=1800J
