Answer:
Hello there Dude answer is B :D hope it helped mark me brainliest.
Answer:bill 5 m/s. Jack:10 m/s
Explanation:
Cuz I took it
Answer:They stop because jet streams follow boundaries between hot and cold air.
Explanation:
Answer:
b
Explanation:
i took the quiz i think its right
Answer:
1 and 3
Explanation:
<u>1 and 3 </u>
Increasing coils increases strength
COOLING the wire would increase current flow and strength of magnet
Adding an iron core will definitely increase the strength of the electromagnet