PHYSICS 30438

subject Type Homework Help
subject Pages 12
subject Words 1372
subject Authors Charles A. Higgins, James Shipman, Jerry D. Wilson

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page-pf1
What are the standard time and date (time of day and day of month) in Kyoto, Japan
(135E, 35N), when it is 11 A.M. EST on March 10 in Washington, D.C. (39N, 77W)?
A constant volume and mass of helium gas at 77°C is heated so that the pressure of the
gas doubles. What is the new temperature of the gas in Celsius degrees?
A) 154°C
B) 273°C
C) 427°C
D) 700°C
The smallest amount of a fissionable material that will give a self-sustaining chain
reaction is called the
A) mass defect.
B) mass number.
C) atomic mass.
D) critical mass.
page-pf2
The plane of Earth's equator is tilted ______________ with respect to the plane of
Earth's orbit about the Sun.
A) 90
B) 18
C) 5
D) 23.5
E) 180
When at home during a tornado warning, you should seek shelter in ______________
of the building.
A) the basement or lowest central level
B) the attic
C) a doorway
D) the garage
Which planet's major moons were named after literary characters?
page-pf3
A) Jupiter
B) Saturn
C) Uranus
D) Neptune
The Group 7A element astatine (85At) would be predicted to occur in what phase?
A) Liquid
B) Solid
C) Plasma
D) Gas
How many neutrons are there in an atom of ?
A) 19
B) 20
C) 39
page-pf4
D) 58
The angular momentum of a 30.0 kg object moving around a 50.0 m circle at a constant
speed of 2.70 m/s is
A) 0.0 N
B) 4050 N
C) 109 N
D) 81 N
Which pair are isomers?
A) CH3CH2CH(NH2) CH3and CH3CH(NH2) CH2CH3
B) CH3CH(Cl)CH3and CH3CH2CH(Cl)CH3
C) (CH3)3N and CH3CH2CH2NH2
D) CH3(CH2)2CH3and CH3CH2CH(CH3)2
E) CH3CH2CH(Cl)CH3and CH3CH(NH2) CH2CH3
page-pf5
The Sun is at the vernal equinox within one or two days of which of the following
dates?
A) March 21
B) September 22
C) December 22
D) June 21
Doppler radar is replacing conventional radar in weather forecasting because
A) it can measure wind speeds.
B) Doppler radar is widely used in police cars.
C) it is cheaper.
D) government agencies are required to use the latest equipment.
page-pf6
The equation H2O2H2O + O is notcorrectly written because
A) the number of atoms of each element on each side is not the same.
B) the mass indicated on each side is not the same.
C) oxygen is diatomic.
D) hydrogen peroxide decomposes to H2O and H.
Fossils that are useful in correlating rock layers are called
A) index fossils.
B) trace fossils.
C) range fossils.
D) tracing fossils.
An 3000-kg car traveling at 70 m/s takes 8 m to stop under full braking. The same car
under similar road conditions, traveling at 140 m/s, takes ______________ m to stop
under full braking.
A) 16
B) 3
C) 8
D) 32
E) 18
page-pf7
Which of the following is a period of the Cenozoic era?
A) Eocene
B) Quaternary
C) Cretaceous
D) Cambrian
Another name for a pulsar is _______________.
A) neutron star
B) black hole
C) quasar
D) red giant
page-pf8
A component in an automobile 12-V electrical system has a resistance of 20 .
a. How much current is in the component when the system is in operation?
b. How much energy is dissipated by the component each second?
The Lewis symbol would be characteristic of which group?
A) 6A
B) 1A
C) 3A
D) 7A
Which two elements are most likely to combine with one another to form an ionic
compound?
A) B and Cl
B) Ra and Br
C) Mg and Ca
page-pf9
D) S and O
Which sugar is a chemically bonded combination of two other sugars?
A) Sucrose
B) Lactose
C) Glucose
D) Fructose
Which of the following planets cannotbe in opposition?
A) Venus
B) Jupiter
C) Saturn
D) Mars
page-pfa
The principal landform resulting from a stream's erosive power is its
______________-shaped valley.
A) V
B) W
C) M
D) I
"Ice that burns" is better known as
A) propane.
B) frozen oil.
C) coal.
D) methane hydrate.
Crater Lake, atop Mount Mazama in Oregon, occupies a volcanic
A) caldera.
B) fissure.
C) vent.
D) fumarole.
page-pfb
A natural agent of chemical weathering that is enhanced by CO2 pollution is
A) sulfur dioxide, SO2.
B) carbon monoxide, CO.
C) ozone, O3.
D) carbonic acid, H2CO3.
Electromagnetic waves are
A) longitudinal.
B) reverse.
C) transverse.
D) a combination of these.
page-pfc
A type of cloud composed of ice crystals is the
A) altostratus.
B) cirrostratus.
C) stratus.
D) nimbostratus.
To which group of polymers does polystyrene belong?
A) Natural
B) Hydrolytic
C) Addition
D) Condensation
Six months of daylight at the South Pole begins when the Sun is at the
A) winter solstice.
B) summer solstice.
C) autumnal equinox.
D) vernal equinox.
page-pfd
A group of periods is called a(n)
A) epoch.
B) millennia.
C) era.
D) eon.
A kilowatt-hour is a unit that measures
A) work per unit of time.
B) energy.
C) power.
D) work time.
Which of the following atoms normally has one covalent bond to it?
A) I
page-pfe
B) O
C) Si
D) P
E) Xe
In a(n) ______________, electrons do not move freely.
______________ mountains are believed to have been built by normal faulting in
which giant pieces of Earth's crust were tilted and uplifted.
The molecular formula of "buckyball" is ______________.
page-pff
The point of a planet's orbit farthest from the Sun is called the ______________.
Of the two main types of waves, light is a(n) ______________ wave.
Daylight Saving Time begins on the first Sunday of ______________ and ends on the
last Sunday in ______________.
page-pf10
Complete the equation: CH3CH = CH2+ H2
Nylon is a polyamide; Dacron is a(n) ______________.
The scientific method holds that no theory is valid unless its predictions are in accord
with ______________.
If two protons are moved 3 times closer together, the electrical force between them is
what factor of the original force?
page-pf11
The preferential orientation of the EM field vectors of light is called
__________________.
An ant on a picnic table travels 30 cm eastward, then 15 cm northward, then 20 cm
westward, and finally 15 cm southward. What is the magnitude of its net displacement?
A doorbell has an input voltage of 120 V. A transformer that steps the voltage down to
12 V has 500 turns on its primary. What is the number of turns on the secondary?

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