PHYSICS 72288

subject Type Homework Help
subject Pages 11
subject Words 1260
subject Authors Charles A. Higgins, James Shipman, Jerry D. Wilson

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page-pf1
How many constitutional isomers that are dibromopropanes exist?
A) 5
B) 4
C) 7
D) 3
E) 6
The rate at which an object's velocity changes with time is called its
A) instantaneous velocity.
B) motion.
C) speed.
D) acceleration.
What is the name of the surface along which rock formations move?
A) Fault plane
B) Transform plane
C) Tension plane
D) Fold plane
page-pf2
After two half-lives have gone by, what fraction of the original sample of a radionuclide
remains?
A) 1/8
B) 1/4
C) 1/3
D) None of these
One parsec is defined as the distance to a star when the star exhibits a parallax of what
angle of arc?
A) One degree
B) One second
C) One millimeter
D) One minute
The process of matching up rock layers in different localities by such means as index
fossils is called
page-pf3
A) conformational analysis.
B) correlation.
C) indexation.
D) cross-cutting.
How many tidal bulges "move" around Earth daily?
A) Two
B) Six
C) One
D) Four
A system of a proton and a neutron has a net charge of
A) +1.6 x 10-19 C.
B) "1.6 x 10-19 C.
C) 3.2 x 10-19 C.
page-pf4
D) zero.
Starch is a polymer that consists of long chains of ______________ units.
A) lactose
B) fructose
C) maltose
D) glucose
Plutonium-239 and uranium-235 undergo fission when bombarded by
A) protons.
B) neutrons.
C) alpha particles.
D) electrons.
page-pf5
The 105W longitude meridian is the center of the ______________ Standard Time zone
in the United States.
A) Pacific
B) Mountain
C) Eastern
D) Central
A scientific law describes
A) the scientific method.
B) a fundamental relationship of nature.
C) the behavior of nature.
D) an experiment.
The explosion of a Type II supernova leaves behind
A) just a black hole.
B) a neutron star or a black hole.
C) just a neutron star.
D) none of the above.
page-pf6
Halley's Comet returns about every ______________ years.
A) 4
B) 12
C) 1000
D) 10,000
E) 76
By which of the following characterisitcs is a desert defined?
A) High winds
B) High temperature
C) Lack of precipitation
D) Hot days and cold nights
page-pf7
Large, flat areas of sediments on the ocean basins are called
A) abyssal plains.
B) guyots.
C) continental shelves.
D) atolls.
New material filling a mold forms a ______________ of the original shell or bone.
A) cast
B) mold
C) hole
D) groove
Halley's Comet returns approximately every ______________ years.
A) 14
B) 76
C) 721
page-pf8
D) 1000
Someone on the far side of the Moon would observe Earth rise once every
A) 24 hours.
B) 24 hours and 50 minutes.
C) 29.5 Earth days.
D) None of these, the observer would never see Earth rise.
For total internal reflection, light is ______________ and none is ______________.
A) reflected, refracted
B) refracted; transmitted
C) transmitted, refracted
D) transmitted; reflected
page-pf9
The name given to the point of a planet's orbit that is closest to the Sun is
A) aphelion.
B) focus.
C) perihelion.
D) solstice.
That each successive layer of sediments is deposited on top of the previous layer, and
hence is younger than the lower layer, is a statement of the
A) theory of plate tectonics.
B) principle of superposition.
C) concept of uniformitarianism.
D) law of catastrophism.
The natural sequence through which water from the oceans evaporates into the
atmosphere and ultimately returns to the oceans is known as the
A) hydrous cycle.
B) aqueous cycle.
page-pfa
C) climactic cycle.
D) hydrologic cycle.
One reactant of photosynthesis is
A) hydrogen.
B) oxygen.
C) carbon dioxide.
D) methane.
A train sounding its horn is moving toward an observer. The pitch of the horn's sound
relative to its normal pitch is
A) lower.
B) sometimes higher and sometimes lower.
C) higher.
D) the same.
page-pfb
The end stage of the life cycle of an extremely high-mass star is a
A) quasar.
B) neutron star.
C) black hole.
D) white dwarf.
A student weighing 300 N climbs a flight of stairs 7.0 m high in 8 s. What power is
required to perform this task?
A) 2100 J
B) 2400 J
C) 2100 W
D) 2400 W
E) 38 W
About what percent of Earth's water is fresh water?
A) 8%
B) 18%
C) 2%
D) 15%
page-pfc
In addition to those of Groups 1A and 2A, three common elements that form only one
ion each are
A) Sc, Ti, and Hg.
B) Pb, Sn, and Cu.
C) Al, Zn, and Ag.
D) Ga, Ni, and Fe.
A weak acid is one that does not
A) taste very sour.
B) ionize appreciably in water.
C) form hydrogen gas when a metal is dropped in.
D) neutralize OH-ions.
page-pfd
The organisms called ______________ were the first organisms with eyes and were
wiped out at the end of the Paleozoic era.
Suppose a small, new planet were discovered at a distance of 4 AU from the Sun.
According to Kepler's third law, what would be its period?
The slow, particle-by-particle movement of weathered debris down a slope is called
______________.
The Appalachian Mountains in the eastern United States are examples of
______________ mountains.
page-pfe
Draw the two structural isomers for propanol.
______________ is a measurement of the quantity of matter.
Part of Pluto's orbit is inside the orbit of ______________.
page-pff
The lowest energy level of an atom (n= 1) is called the ______________.
Water has a specific heat value of ______________.
The deflection of one plate under another is called ______________.
If the decimal point is shifted to the right in a number expressed in powers-of-10
notation, the exponent, or power of 10, is ______________.
page-pf10
______________ is the only moon in the solar system to have retrograde motion.
Gas pressure is caused by molecular ______________ with the walls of the container.
Speed is a(n) ______________ quantity.
The common unit of radiation absorbed dosage is the ______________.
page-pf11
The principal greenhouse gases are ______________ and ______________.

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