velocity - 2024 ACF Fall - Buzzpoints App

Question

A large value of this quantity’s “peculiar” form is responsible for a distortion known as the “Fingers of God” effect. For 10 points each:

[10h] Identify this quantity. The Faber–Jackson relation states that the luminosity of an elliptical galaxy is proportional to the fourth power of this quantity’s dispersion.

ANSWER: velocity [accept velocity dispersion or peculiar velocity]

[10e] Unlike the Faber–Jackson relation, the M–sigma relation concerns stars’ velocity as they orbit a galaxy with a supermassive one of these bodies in the center. These bodies allow no light to escape inside their event horizon.

ANSWER: black holes [accept supermassive black holes]

[10m] Vera Rubin’s observation of stellar velocity remaining constant with respect to distance in galaxies led her to hypothesize the existence of this substance. About 27% of the universe’s mass-energy is this substance.

ANSWER: dark matter [reject “dark energy”]

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Summary


2024 ACF Fall at Claremont Colleges	fall	Y	1	20.00	100%	100%	0%
2024 ACF Fall at Cornell	fall	Y	9	20.00	100%	100%	0%
2024 ACF Fall at Illinois	fall	Y	9	22.22	100%	100%	22%
2024 ACF Fall at Rutgers	fall	Y	7	22.86	100%	100%	29%
2024 ACF Fall at Rutgers	fall	Y	1	20.00	100%	100%	0%
2024 ACF Fall at Ohio State	fall	Y	8	18.75	88%	88%	13%
2024 ACF Fall at Washington	fall	Y	7	20.00	100%	86%	14%
2024 ACF Fall at Georgia	fall	Y	12	20.83	100%	100%	8%
2024 ACF Fall at North Carolina	fall	Y	9	18.89	100%	89%	0%

Data


UCLA C	Claremont A	0	10	10	20
Cornell A	U of Rochester A	0	10	10	20
Cornell F	Cornell B	0	10	10	20
Syracuse	Cornell C	0	10	10	20
Binghamton A	Cornell D	0	10	10	20
Cornell G	RIT C	0	10	10	20
Penn State	ESF	0	10	10	20
RIT A	Binghamton C	0	10	10	20
RIT B	Cornell E	0	10	10	20
U of Rochester B	Binghamton B	0	10	10	20
Purdue A	Chicago A	10	10	10	30
Notre Dame A	Chicago B	10	10	10	30
Illinois A	Notre Dame C	0	10	10	20
Iowa A	Illinois C	0	10	10	20
Iowa B	Illinois B	0	10	10	20
Indiana	Northwestern A	0	10	10	20
Purdue C	Notre Dame B	0	10	10	20
Northwestern B	SIUE	0	10	10	20
Illinois D	WashU A	0	10	10	20
Princeton A	Bard A	10	10	10	30
Columbia J	Penn A	0	10	10	20
Fordham A	Columbia B	0	10	10	20
Columbia A	NYU A	0	10	10	20
NYU B	Rutgers B	0	10	10	20
Rowan A	Maryland B	0	10	10	20
Maryland A	Rutgers A	10	10	10	30
Lehigh B	Lehigh A	0	10	10	20
CWRU A	CWRU B	0	10	0	10
Miami A	Michigan C	0	10	10	20
CWRU C	Miami C	0	10	10	20
Michigan A	Ohio State B	0	10	10	20
Michigan B	Jefferson County Scholars	0	10	10	20
Michigan D	Michigan State A	10	0	10	20
Ohio State A	Miami B	0	10	10	20
West Virginia A	West Virginia B	0	10	10	20
Alberta	Arizona State A	0	10	10	20
UBC B	UW Wrath	10	10	10	30
UW Chastity	Arizona State B	0	10	10	20
UBC A	UW Greed	0	10	10	20
Boise State	UW Lust	0	10	10	20
UW Gluttony	UW Pride	0	10	10	20
UW Envy	UW Sloth	0	10	0	10
Alabama A	Georgia Tech C	0	10	10	20
Furman	Clemson B	0	10	10	20
Mississippi State A	Emory A	0	10	10	20
Georgia A	Auburn B	0	10	10	20
Tennessee A	Georgia Tech A	0	10	10	20
Vanderbilt A	Georgia Tech B	0	10	10	20
Auburn A	Georgia Tech D	10	10	10	30
South Carolina A	Georgia Tech E	0	10	10	20
South Carolina B	Emory Oxford	0	10	10	20
Clemson A	Southern	0	10	10	20
Auburn C	Tennessee B	0	10	10	20
Vanderbilt B	Belmont	0	10	10	20
Appalachian State B	Virginia	0	10	10	20
Liberty B	Duke B	0	10	10	20
UNC D	James Madison A	0	10	10	20
NC State	UNC A	0	10	10	20
Liberty A	UNC B	0	10	10	20
Liberty C	VCU	0	10	0	10
Virginia Tech A	Duke A	0	10	10	20
UNC C	Virginia Tech B	0	10	10	20
Tusculum	William & Mary	0	10	10	20