Three masses are positioned as follows: 2.0 kg at (0, 0); 2.0 kg at (2, 0); and 4.0 kg at (2,1). Determine the coordinates of the center of mass
What will be an ideal response?
(1.5, 0.5)
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When an object is polarized, it
A. must contain more positive charge than negative charge. B. must contain more negative charge than positive charge. C. will have a separation of positive and negative charge. D. must be illuminated by polarized light. E. must be made of metal.
Io's volcanoes contribute material to a(n) ________ around the planet Jupiter's equator
Fill in the blank(s) with correct word
Three boxes are pushed across a frictionless horizontal surface as shown. When we compare the normal force 
that mass 2m exerts on mass 5m with the normal force 
that mass 5m exerts on mass 10m, we find that
?
?
A.
= = F.B.
= F> .C.
= .D.
> .E.
> .?
Consider a situation where a skater pulls her arms inward, causing her rotation rate to speed up.Angular momentum is conserved
a. True b. False Indicate whether the statement is true or false