The EM spectrum has no limits. Any frequency you can imagine
is the frequency of some electromagnetic radiation somewhere.
Answer:
30 m/s
Explanation:
Speed is distance over time. 60 meters / 2 seconds, = 30 m/s.
According to the law of conservation of momentum, the <u> TOTAL </u> amount of momentum of a group of objects does not change unless outside _____<u>FORCES</u>____ act on the objects.