primmprincess312
07.11.2019 •
Physics
56)
56) consistent with the social facilitation effect, michaels and his colleagues (1982) found
that when good pool players were observed, they did
when they did not know
they were being observed.
a) much worse than
b) the same as
c) better than
d) slightly worse than
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Ответ:
The center of mass is a position defined relative to an object or system of objects. It is the average position of all the parts of the system, weighted according to their masses. For simple rigid objects with uniform density, the center of mass is located at the centroid.