Explanation:
what is the force
ican't under stand these question
Answer:
B
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Answer:
Explanation:
The amplitude is extraneous information for this question.
Period (T) is simply a measure of time (how long it takes to complete a full cycle).
The frequency (f), is the reciprocal (how many cycles it can complete per unit of time).
The frequency reported is 12Hz. Hz is a unit meaning "cycles per second"
Thus 12cycles = 1second.
To find the number of seconds per cycle, simply create the other unit fraction and simplify:


<span> If electricity and magnetism can create motion, can the reverse be true? Can motion and magnetism create electricity?</span>