How are period and frequency related to each other? A. Period is half the frequency
B. Period is twice the frequency
C. Period is equal to frequency
D. Period is the reciprocal of frequency
E. Period is the day root of frequency

D

Explanation:

this is because the formula for frequency is

f = 1/T

and it is a reciprocal

in physics zero. in muscle fatigue could be high

firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.