Test

scalar which of the following is a physical quantity that has a magnitude but no direction? velocity which of the following is an example of a vector quantity? vectors Multiplying and dividing vectors by scalar results in cos θ In a coordinate system, a vector is orientated at angle θ with respect to the x-axis. …

The force the Volkswagen exerts on the truck is equal to the force the truck exerts on the Volkswagen. A Mack truck and a small Volkswagen collide head-on. Which of the following statements is true about the collision? The magnitude of the acceleration of the car is ten times greater than the magnitude of the …

• Multiple restriction sites – cut the plasmid and foreign DNA with the same enzyme and insert a gene • Origin of replication – new recombinant genes will be able to replicate and increase in number • Selectable markers – detect recombinant plasmids (e.g., lacZ gene produces B galactose, but recombinant ones do not) Describe …

made up of elements in V, including zero vector, closed under add/scalar mult subspace (V,+,*) a.r V is nonempty/closed under add/scalar mult vector space when add vectors together, could get a vector in vector space/subspace closed under addition when mult by scalar get a vector in vector space/subspace closed under scalar multiplication set of all …

quantity with magnitude and direction vectors quantity with only magnitude scalar two vectors are drawn from a common origin, and a parallelogram is construced using the vectors as adjacent sides parallelogram method -a minus sign of a vector tells direction; the magnitude is always positive -changes direction by 180° subtraction of vectors -product has same …

right-handed Vector algebra, as we are going to use it, is based on a _____ coordinate system. coordinate direction angles The symbols, (alpha), (beta), and (gamma) designate the _____ of a 3-D Cartesian vector. angles (alpha, beta, gamma) If you know only Ua, you can determine the _____ of A uniquely. all three angles are …

made up of elements in V, including zero vector, closed under add/scalar mult subspace (V,+,*) a.r V is nonempty/closed under add/scalar mult vector space when add vectors together, could get a vector in vector space/subspace closed under addition when mult by scalar get a vector in vector space/subspace closed under scalar multiplication set of all …

Scalar: Any positive or negative physical quantity that can be completely specified by its magnitude. Examples of scalar quantities include mass, length, and time. 2.1: Scalar Vector: Any physical quantity that requires both a magnitude (scalar) and a direction for its complete description. Examples of vector quantities in statics are force, position, an moment. Components …

The number inside of brackets of an array definition is the size declarator. The number inside of the brackets of an assignment statement that works with the contents of an array is a subscript What is the difference between a size declarator and a subscript In order to process array in function, passing array alone …

1946 When was DECA founded? Reston, Virginia Where was DECA founded? 2, High School (190,000 members) and Collegiate (15,000 Members) How many divisions? What are they? Own Your Future DECA theme 2016-2017 DECA prepares emerging leaders and entrepreneurs for careers in marketing, finance, hospitality and management in high schools and colleges around the globe. Mission …

a corresponding reaction force If there is one force present, what else is always present? the other surface simultaneously exerts the same amount of force on you You cannot exert a force on a floor or any other surface unless what happens? you can not push harder on one hand than the other What can …

The front seat of the car A passenger in the rear seat of a car moving at a steady speed is at rest relative to the width of a book Which distance can be most accurately measured with a ruler 1000 one kilometer equals 1000 meters. what does the prefix kilo- mean? 0 miles a …

True. Because replacement interchanging and scaling is all reversible. Is the statement “Every elementary row operation is reversible” T or F False because it has 5 rows Is the Statement ” A 5×6 matrix has 6 rows” T or F False because the description applies to a single solutin. the solution set consist of all …

Dimorphism The ability of a fungus to grow as a yeast or a mold depending on its environmental temperature is called Respiratory and cutaneous The routes of entry for most fungi into the body are Antifungal drugs Amphotericin B, nystatin, and the imidazoles are all Candida All of the following are dimorphic, true fungal pathogens …

A vertical column in the modern periodic table is called a A) group B) valence C) branch D) period A Elements in the same group have A) the same number of valence electrons B) the same number of electrons C) the same number of neutrons D) the same atomic number A Which element is a …

Only Anions What type of ions have names ending in -ide? lose two electrons When Group 2A elements form ions, they… Nitride ion What is the correct name for the N3- ion? Roman numeral following the name When naming a transition metal ion that can have more than one common ionic charge, the numerical value …

True. True or false? In naming ionic compounds, the cation is always named first and the anion second. . H2S 2. Which of the following is a binary compound? lithium chloride The correct name for LiCl is mercury(I) ion The name for Hg22+ is . iron(II) oxide The correct name for FeO is +2 The …

monatomic ion Consists of a single atom with a positive or negative charge anion atom or group of atoms having a negative charge cation atom or group of atoms having a positive charge polyatomic ion tightly-bound group of atoms that behaves as a unit and carries a net charge binary compound compound composed of two …

Roman Numeral following the name When naming a transition metal ion that can have more than one common ionic charge, the numerical value of the charge is indicated by a ____. tin (II) phosphate What is the correct name for Sn(3)(PO4)(2) nitride ion What is the correct name for the N(3)- ion. tin (IV) fluoride, …

What information does a molecular formula provide The number and kind of atoms present in a molecule How do atoms achieve noble-gas electron configurations in a single covalent bond Two atoms share two electrons Why do atoms share electrons in covalent bonds To attain a noble-gas electron configuration Which of the following elements conform diatonic …

structural formula a depiction of the arrangement of atoms in molecules and polyatomic ions single covalent bond a covalent bond in which only one pair of electrons is shared double covalent bond a covalent bond in which two pairs of electrons are shared polar bond a covalent bond between two atoms of significantly different electronegativities …

An atom or group of atoms that have gained or lost electrons; positive or negative charge What is an ion Bond the force that holds atoms or ions together is called a__ Fluoride,Bromide,Oxide,phosphide The anion of chlorine ionis called a chloride ion. What is the name of a Fluorine ion?Bromine?Oxygen?phosphorus? Valence electrons What part of …

all digits of a measured quantity, including the uncertain one! significant figures- solids have a definite shape & volume, liquids have a definite volume, and gas has neither! matter classification (look at charts in notes)- can be observed without changing the identity and composition of the substance (phase change)! physical properties- describe the way a …

b. Steady surface temperature increases were noted between the 1970’s and 90’s. Why was the concern over global cooling replaced with a concern over global warming? a. The science community needed a cause to frighten the general population. b. Steady surface temperature increases were noted between the 1970’s and 90’s. c. Air pollution only became …

b. Secondary succession affects ecosystems that are already established. Which of the following statements about secondary succession is true? a. Secondary succession occurs in ecosystems that have no vegetation. b. Secondary succession affects ecosystems that are already established. c. Ecosystems require pioneer species to undergo secondary succession. d. Secondary succession can occur in areas without …