How might a forensic scientist evaluate bullets to verify if they are a match beyond just looking at them? (A)Use colored filters to overlay the left and right images, one over the other, to look for darkened areas.
(B)Shave a small sample from each bullet and compare it under a compound microscope for matching elements.
(C)Use microspectrophotometry to see if the bullets exhibit the same spectra under the comparison microscope.
(D)Use a computer match program which inspects the images for areas that are matching.
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t2 equal the displacement of the particle over the same time period if t2> t/2? hint: consider a sine wave starting at t1=0, then consider a closing wave starting at t1=0, for your explanatio

current flows in a wire

when a device is used in a circuit in which the voltage is 81 v, the current flowing through the device is 3 a. what is the resistance of the device?

a. 27 ω

b. 40.5 a

c. 243 ω

d. 243 a

the correct answer is a. 27

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2