MS Sample Set 4, Round 17 from NSB
In which direction does the vector of centripetal acceleration point in uniform circular motion?
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If an object in uniform circular motion has a centripetal acceleration of 2 meters per second squared and is moving in a circle with a radius of 2 meters, what is its velocity in meters per second?
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How many carbon atoms are in a molecule of propanol?
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Which of the following substances would be least likely to dissolve in water? W) Polar compound X) Nonpolar compound Y) Ionic compound Z) Salt
W: W) Polar compound
X: X) Nonpolar compound
Y: Y) Ionic compound
Z: Z) Salt
Answer: X) X) Nonpolar compound
During which stage of mitosis do the chromosomes line up in the center of the nucleus? W) Anaphase X) Prophase Y) Interphase Z) Metaphase
W: W) Anaphase
X: X) Prophase
Y: Y) Interphase
Z: Z) Metaphase
Answer: Z) Z) Metaphase
During what stage of meiosis does crossing over take place?
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Which of the following choices is NOT a condition required for the formation of a thunderstorm? W) Humid air in low- to mid-troposphere X) Atmospheric instability Y) Relatively low temperatures Z) A source of uplift
W: W) Humid air in low- to mid-troposphere
X: X) Atmospheric instability
Y: Y) Relatively low temperatures
Z: Z) A source of uplift
Answer: Y) Y) Relatively low temperatures
What is the name for an elongated cluster of thunderstorm cells that is accompanied by a continuous gust front at the line’s leading edge?
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According to its nutrition facts, a candy bar contains 100 calories. Giving your answer to the nearest hundred, what would the equivalent be in joules?
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Giving your answer to the nearest thousand, how many joules of energy are required to raise the temperature of 2 kilograms of water by 3 °C?
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What type of device converts heat energy into mechanical work?
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Which of the following devices exemplifies a reverse heat engine? W) Diesel engine X) Electrical generator Y) Refrigerator Z) Steam engine
W: W) Diesel engine
X: X) Electrical generator
Y: Y) Refrigerator
Z: Z) Steam engine
Answer: Y) Y) Refrigerator
Which of the following is not an example of a cartilaginous fish? W) Longnose skate X) Pink salmon Y) Tiger shark Z) Sting ray
W: W) Longnose skate
X: X) Pink salmon
Y: Y) Tiger shark
Z: Z) Sting ray
Answer: X) X) Pink salmon
What is the adjective for a fish that is born in fresh water, swims to salt water, and returns to fresh water to spawn?
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Which of the following could be used to neutralize an acid spill? W) Hydrogen sulfide X) Calcium oxide Y) Water Z) Bromine
W: W) Hydrogen sulfide
X: X) Calcium oxide
Y: Y) Water
Z: Z) Bromine
Answer: X) X) Calcium oxide
According to the Lewis definition of an acid, what can a Lewis acid accept from a Lewis base?
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About what percentage of worldwide rainfall occurs in the tropics? W) 14% X) 45% Y) 66% Z) 85%
W: W) 14%
X: X) 45%
Y: Y) 66%
Z: Z) 85%
Answer: Y) Y) 66%
The Tropical Rainfall Measuring Mission (TRMM) satellite was launched in 1997 with the primary mission of measuring rainfall from space using passive microwave and active radar sensors. Which of the following is NOT a benefit of TRMM? W) Increased understanding of the water cycle X) Increased understanding of the heat release associated with rainfall Y) Increased understanding of contrails Z) Better likelihood of accurate climate models
W: W) Increased understanding of the water cycle
X: X) Increased understanding of the heat release associated with rainfall
Y: Y) Increased understanding of contrails
Z: Z) Better likelihood of accurate climate models
Answer: Y) Y) Increased understanding of contrails
What is the integer value that is equal to $$\log 5 + \log 2$$?
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What is the volume of a rectangular pyramid in cubic meters if the length of the base is 3.5 meters, the width of the base is 4 meters, and the height of the pyramid is 6 meters?
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Which of the following quantities is always conserved in an inelastic collision? W) Kinetic energy X) Mechanical energy Y) Momentum Z) Impulse
W: W) Kinetic energy
X: X) Mechanical energy
Y: Y) Momentum
Z: Z) Impulse
Answer: Y) Y) Momentum
The linear momentum of a particle is directly proportional to which two quantities?
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Give the name currently used for the heterogeneous group of fungi in which scientists have never observed sexual reproduction.
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Name the best known product made from organisms classified as imperfect fungi.
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What is the sum of all positive integer factors of 6?
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Assuming all functions are defined, and expressing your answer in simplest form, evaluate $$\frac{n^2 + 7n - 8}{n - 1} \times \frac{n^2 - 4}{n^2 + 6n - 16}\,. $$
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In a four stroke internal combustion engine, during which stroke is the energy transformed from chemical potential energy to kinetic energy?
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A car’s radiator is an example of a component that transfers heat generated within a solid material to a fluid medium. What is such a component called?
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When alkali metals such as sodium are placed in water, a gaseous substance is produced. What is this gas? W) Water vapor X) Oxygen Y) Hydrogen Z) Carbon dioxide
W: W) Water vapor
X: X) Oxygen
Y: Y) Hydrogen
Z: Z) Carbon dioxide
Answer: Y) Y) Hydrogen
Which of the following is NOT a transition metal? W) Aluminum X) Zinc Y) Copper Z) Manganese
W: W) Aluminum
X: X) Zinc
Y: Y) Copper
Z: Z) Manganese
Answer: W) W) Aluminum
How many positive factors does the number 1051 have?
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In right triangle \(ABC\), \(\angle A = 60^\circ\), \(\angle C = 90^\circ\), and side \(AB = 10\) centimeters. What is the length of side \(BC\) in centimeters?
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Since the 1970’s, what have scientists observed about the size of global amphibian populations?
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Which of the following correctly matches an order of amphibians and its characteristics? W) Squamata: legs, clawed toes and external ears X) Anura: long bodies and tails Y) Apoda: tentacles and fishlike scales Z) Urodela: no tails, can jump
W: W) Squamata: legs, clawed toes and external ears
X: X) Anura: long bodies and tails
Y: Y) Apoda: tentacles and fishlike scales
Z: Z) Urodela: no tails, can jump
Answer: Y) Y) Apoda: tentacles and fishlike scales
What chemical reaction is necessary to convert the chemical energy from fossil fuels into usable forms of energy such as electricity?
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Which of the following is the typical shape of a charged particle’s path in a magnetic field? W) Elliptical X) Circular Y) Parabolic Z) Hyperbolic
W: W) Elliptical
X: X) Circular
Y: Y) Parabolic
Z: Z) Hyperbolic
Answer: X) X) Circular
If Jupiter is approximately five times farther from the Sun than the Earth, what fraction of the intensity of light does it receive relative to the Earth?
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If you see the Moon in the western sky just above the setting Sun, what is the Moon’s phase? W) New moon X) Full moon Y) Gibbous Z) Waxing crescent
W: W) New moon
X: X) Full moon
Y: Y) Gibbous
Z: Z) Waxing crescent
Answer: Z) Z) Waxing crescent
What are the x-intercepts for the function \(f(x) = x^2 - x - 12\)?
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Find the reference angle to angle \(A = 215^\circ\).
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The similarities between the lungs of a reptile and the air bladder of a fish can be described, in evolutionary terms, as: W) Homologous structures X) Erroneous structures Y) Vestigial structures Z) Inert structures
W: W) Homologous structures
X: X) Erroneous structures
Y: Y) Vestigial structures
Z: Z) Inert structures
Answer: W) W) Homologous structures
The similarities between the wings of a bat and the wings of a dragonfly can be described, in evolutionary terms, as what type of structures?
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The intramolecular bonds that hold together an individual water molecule can be classified as which of the following? W) Polar covalent X) Nonpolar covalent Y) Hydrogen bonds Z) Ionic bonds
W: W) Polar covalent
X: X) Nonpolar covalent
Y: Y) Hydrogen bonds
Z: Z) Ionic bonds
Answer: W) W) Polar covalent
What type of bonds are the main intermolecular forces that allow water molecules to undergo cohesion?
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Which north or south latitude experiences the greatest variation in sun exposure over the course of the year? W) 0° X) 30° Y) 60° Z) 90°
W: W) 0°
X: X) 30°
Y: Y) 60°
Z: Z) 90°
Answer: Z) Z) 90°
What geological feature is responsible for the dark spots on the Moon?
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Which of the following is true about the function \[ y = \frac{4x^5 + 6}{3}\,? \] W) The function is odd X) The function is even Y) The function is positive Z) The function is neither odd nor even
W: W) The function is odd
X: X) The function is even
Y: Y) The function is positive
Z: Z) The function is neither odd nor even
Answer: Z) Z) The function is neither odd nor even
What is the radius, in units, of a cone with a volume of \(384\pi\) cubic units and a height of 8 units?
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Marcellus shale occurs in the subsurface under several states. Which of the following is NOT one of them? W) Indiana X) Ohio Y) Pennsylvania Z) West Virginia
W: W) Indiana
X: X) Ohio
Y: Y) Pennsylvania
Z: Z) West Virginia
Answer: W) W) Indiana
Recently, deposits of which natural resource were found in the Marcellus shale of the Appalachian Basin?
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