What is the difference between psychoanalysis and psychophysics?
a) psychoanalysis uses introspection and psychophysics doesn't.
b) psychophysics studies the five senses and their reaction to stimuli.
c) psychoanalysis attempts to resolve conflict.
d) both b and c

ek = (m·v2) / 2

v - velocity of system after the collision

m = m1 + m2

ek = (m1 + m2) ·v2/2

ek = (200 + 250) ·2,32/2 = 450·5,29/2 = 1190,25 j

answer is d. graphite coatings.

some connecting rods have _graphite coatings_ to lubricate the cylinder wall or piston pin.

on edgunuity the answer is c

whats the novel? were's the worksheet. i need more information.