(a). For any connected graph G, all internal nodes of the BFS tree on G have the same number of children. (b). For any connected graph G, the DFS tree on G and the BFS tree on G have the
17,299 results
biology
Several species of warblers can live in the same spruce tree ONLY because they a. have different habitats within the tree b. don't eat food from the tree c. occupy different niches within the tree **** d. can find different temperatures within the tree

math
If two quantities vary directly, which must be true of a graph showing the relationship between them? Select all that apply. A. The graph is a curve. B. The points on the graph are connected. C. The graph increases from left to right. D. The points of the

PHYSICS
Two bulbs are connected in parallel across a source of emf EMF = 10.0V with a negligible internal resistance. One bulb has a resistance of 3.0 Omega , and the other is 2.5 Omega . A resistor R is connected in the circuit in series with the two bulbs. What

Calc
Line L is tangent to the graph of y= x (x^2/500) at the point Q a) find the x coordinate of point Q B) right an equation for line L C) suppose the graph above were a hill (measured in feet). There is a 50 foot tree growing vertically at the top of the

Algebra
For each diagram find the relationship between the number of shapes and the perimeter of the figure they form. Represent this relationship using a table, words, an equation, and a graph. Below there are 3 sets of Pentagon's there is one by itself with the

Physics
The readings on a high resistance voltmeter, when a cell is connected across it, is 2.2 V . When the terminals of cell are also connected to a resistance of 5 ohm the voltmeter reading drops the 1.8 V. Calculate the internal resistance of cell

language arts
Maria is writing a report on tree growth measurements over a fiveyear period. What kind of visual could she use in her report to share the data she found?(1 point) a map a diagram a graph an image is is a graph?

Chemistry
The sizes and shapes of the hydrogen atom orbitals was revealed through graphical analysis of the corresponding wave functions. These wave functions also predict areas that the electrons have a zero probability of being found. These areas are known as

Calculus
Line l is tangent to the graph of y= x  x²/500 at point Q & it crosses the yaxis at (0, 20) a). Find the xcoordinate of point Q b. Write an equation for line l c) Suppose the graph of y=xx^2/500, where x and y are measured in feet, represents a hill.

Physics
3) What is the emf of a battery with an internal resistance of 0.15 if the battery delivers 1.5 A to an externally connected 5.0 resistors?

electrical
A 20v battery with an internal resistance of 5ohm is connected to a resistance of x ohm if an additional 6ohm resistance is connected across the battery find the value of x so that the power supplied externally by the battery remains the same

Math
If two quantities are directly, which must be true of a graph showing relationships between them? Select all that apply. A. The graph is a curve B. The point on the graph are connected C. The graph increases from left to right. D.the points of the graph

MATH
An arborist monitors growth of a baobab tree in an arboretum by standing 8 meters from the base of the tree and measuring the angle of elevation to the top. The angle of elevation to one tree is 30∘. What is the approximate height of the tree? Is it 4.6

MAT 150
At a point on the ground 15 feet from the base of a tree the distance to the top of the tree is 1 foot more than two times the height of the tree find the height of the tree

Language Arts
I think that I shall never see A poem lovely as a tree. A tree whose hungry mouth is prest Against the earth’s sweet flowing breast; A tree that looks at God all day, And lifts her leafy arms to pray; A tree that may in summer wear A nest of robins in

Chemistry
Consider the 5p orbital of a hydrogen atom. 1. how many different 5p orbitals are there? 2. how many radial nodes are there? 3. how many angular nodes are there? (i.e. how many nodal planes or surfaces, not including radial nodes)

trig
Because of prevailing winds, a tree grew so that it was leaning 4 degrees from the vertical. At a point, 35 meters from the tree, the angle of elevation to the top of the tree is 23 degrees. Find the height h of the tree

Physics repost clarification
Find the current in the 10.0 ohm resistor in the drawing (V1 = 21.0 V and R1 = 27.0 ohms). I will attempt to explain the diagram again. The drawing shows 2 parallel lines labelled as follows: ABC DEF A and

physics
when a battery is connected to a 100Ω resistor, the current is 4.00 A. When the same battery is connected to a 449Ω resistor, the current is 1.09 A. Find the emf supplied by the battery and the internal resistance of the battery.

Math
Top of a tree broke and fel over. Remaining tree trunk is 5 feet tall . Tip if tree rest on ground is 12 feet from the base of the trunk. What is the length of the broken tree?

Science
A battery of emf 12v nd internal resistance (r) 1.5votls is connected to an external resistance (R) of 3ohms. (1.) Cal, the current flowing in the circuit. (2,) the p.d draw across the 3ohms resitor and the internal resirtance. (3) determine Voltage of the

English
1. He tried to climb the tree. 2. He tried climbing the tree. 3. He wanted to climb the tree,so he did his best, but he couldn't climb the tree. 4. He climbed the tree to check whether he could stand on the thick branches to pick fruit.

Calc
Line L is tangent to the graph of y= x (x^2/500) at the point Q a) find the x coordinate of point Q B) right an equation for line L C) suppose the graph above were a hill (measured in feet). There is a 50 foot tree growing vertically at the top of the

english
In this excerpt from "The Legend of Sleepy Hollow,” what is the foreshadowing? It [the tree] was connected with the tragical story of the unfortunate André, who had been taken prisoner hard by; and was universally known by the name of Major André's

math
A rectangular box open at the top has a square base. The internal side of the base is x cm long and the total internal surface area of the box is 432cm2. Express in terms of x. (i) the internal height h, of the box; (ii) the internal volume V, of the box.

mazin
2. How many cells connected in series, each having an EMF of 1.5 V and internal resistance of 0.2 Ω would be required to pass a current of 1.5 A through a resistance of 40 Ω.

Geometry
at 10 feet away from the base of a tree, angle the top of a tree males with the ground is 61 degrees. of the tree grows at an angle of 78 degress with the respect to the ground, how tall is the tree to the nearest foot?

maths
a river is 60 metre wide . a tree of unknown height is one bank.the angle of elevation of the top of the tree from the point exactly opposite to the tree , on the other bank is 30°. find the height of the tree

Geometry
A surveyor measuring the tallest tree in a park is 100ft from the tree. His anglemeasuring device is 5 ft above the ground. The angle of elevation to the top of the tree is 48°. How tall is the tree?

maths plse help me..
THERE IS A SMALL ISLAND IN THE MIDDLE OF A 100M WIDE RIVER AND A TALL TREE STANDS ON THE ISLAND.pAND q RE POINTS DIRECTLY OPPOSITE EACH OTHER ON THE TWO BANKS AND IN LINE WITH THE TREE.IF THE ANGLE OF ELEVATION OF THE TOP OF THE TREE FROM p AND q ARE 30

math
(a). For any connected graph G, all internal nodes of the BFS tree on G have the same number of children. (b). For any connected graph G, the DFS tree on G and the BFS tree on G have the same number of edges.

math/ sociology
Describe an example of a graph where adding a single edge can increase the size of the largest strongly connected component by at least 1,000 nodes. Clearly, you don't need to draw the full graph rather, you should describe it in words.

Physis
a 2kg mass is hung from a tree and is released. Using the nodes on the graph, sketch the general shape of the vertical position of the mass versus time

chemistry
1. How many different 4p orbitals are there? 2. How many radial nodes are there? 3. How many angular nodes are there? (excluding the radial nodes) I thought it was 2,1, 2??

physics
Consider a battery that has Vt = 12.0 V when it is not connected to a circuit. When a 10.0 resistor is connected with the battery, the potential difference across the battery’s terminals drops to 10.9 V. What is the internal resistance of the

Math
Construct a graph based on the adjacency matrix that appears below. Label all nodes with indices consistent with the placement of numbers within the matrix. ⌈0 6 0 5 0⌉  6 0 1 0 3   0 1 0 4 8   5 0 4 0 0  ⌊0 3 8 0 0⌋ Describe the graph and

physics
As in the figure below, a simple harmonic oscillator is attached to a rope of linear mass density 5.4 ✕ 10−2 kg/m, creating a standing transverse wave. There is a 4kg block hanging from the other end of the rope over a pulley. The oscillator has an

science past year
1.1. A resitance of 1.5ohm is connected in parallel with a resistance of 3 ohm. This combination is connected in series with a resistance of unknown resistance of value R. The circuit is then connected acress a 10 V supply. Calculate: 1.1.1. The value of

basic electrical engineering
a battery havibg an emf of E volt and internal resitance .1ohm is connected across the treminals A and B. Calculate the value of E inorder that the power dissipated in the 2 ohm resistoe is 2 watt

physical
A battery of e.m.f 24v and internal resistance of 4ohms is connected to a resistor of 3ohms.what is the terminal potential difference of the battery

math
Problem A: Let T be a balanced 5ary tree with 81 nodes. (a). How many internal nodes does T have? (b). How many edges does the tree T have? (c). What is the height of T?

Maths
A full binary tree of height 4 has 15 nodes The 8 nodes at the bottom of the tree are called end nodes or leaf nodes. Two distinct end nodes are uniformly chosen. The expected length of the shortest path between them can be expressed as a/b, where a and b

math
(a). Determine the DFS tree of K3,3. (b). Determine the BFS tree of K3,3.

Please help asap science
1. An electrical circuit consists of a battery with 2 cells,each with an EMF of 12 volts and an internal resistance of of 0.4 ohms,connected in parallel. An ammeter with an internal resistance of 0.15 ohms is connected in series with resistor Ra=2ohms and

Health
Please check my answers thank you. Match the combing form to its definition. Lymph fluid found in lymph vessels Immunoglobulin antibody secreted by plasma cells Inguinal nodes lymph nodes in the groin Axillary nodes lymph nodes in the armpit

Discrete math
please help I'm completely lost Is the following connected graph a tree please explain There are 4 vertices, two with degree 1, one with degree 2, and the degree of the fourth vertex is not known.

Physics
1. How many nodes (counting nodes at the ends), are present in the displacement oscillations of an openclosed tube (oboe) that vibrates in its fourth harmonic? a) 3 nodes b) 4 nodes c) 5 nodes d) 6 nodes e) An openclosed tube has no 4th harmonic 2. At a

physics
power supply has an opencircuit voltage of 39.0 V and an internal resistance of 2.00 Ù. It is used to charge two storage batteries connected in series, each having an emf of 5.50 V and internal resistance of 0.300 Ù. The charging current is to be 3.30

college physics
A certain 9V battery measures 9.0 V with no load connected to it, but only 8.5 V when connected to a radio which draws 150 mA of current. What is the internal resistance of the battery?

Algrithms
Consider a very large undirected graph of Email Networks. The nodes (or vertices) represent email addresses, and an edge represents the fact that there was at least one email in at least one direction between the two addresses. Which technique will you use

Algorithms
Consider a very large undirected graph of Email Networks. The nodes (or vertices) represent email addresses, and an edge represents the fact that there was at least one email in at least one direction between the two addresses. Which technique will you use

medical coding
This patient was admitted for treatment of a traumatic left second metatarsal fracture. The fracture site was opened and reduced, followed by placement of tree internal Kirshner wires. Two pins were then placed, and an external fixatror frame was connected

ECE
Assume that a device exists between two nodes A and B of a circuit and that the voltages of these two nodes A and B are equal to 2V and 3V respectively What is the voltage drop across the device? So I think I just go AB , but it might also be BA so

Physics, finding harmonics
A tuning fork with a frequency of 440 Hz is held above a resonance tube that is partially filled with water. Assuming that the speed of sound in air is 342 m/s, for what three smallest heights of the air column will resonance occur? Where will the nodes

Phyics
A resistor has a resistance R, and a battery has an internal resistance r. When the resistor is connected across the battery, ten percent less power is dissipated in R than would be dissipated if the battery had no internal resistance. Show that the ratio

physics
Two cells, each of e.m.f. 1.5V and an internal resistance 2 Ohms are connected in parallel. Calculate the current flowing when the cells are connected to a 1 Ohms ?

Physics
Batteries are not perfect. Instead they have an "internal resistance, a catch all phrase which describes the internal chemical workings of the battery which prevents it from providing an unchanging voltage regardless ofnits load. A simple model of internal

Standing waves and resonance (physics)
A nylon string has a linear density of 7.2g/m and is under a tension of 150N. The fixed supports are 90cm apart. The string is oscillating in the standing wave pattern. Find a)speed b)wavelength c) frequency v=sqr(F/u(linear density) v=sqrt(150N/7.2g/m) =

Physics
Batteries are not perfect. Instead they have an "internal resistance, a catch all phrase which describes the internal chemical workings of the battery which prevents it from providing an unchanging voltage regardless ofnits load. A simple model of internal

physics
As in the figure below, a simple harmonic oscillator is attached to a rope of linear mass density 5.4 ✕ 10^−2 kg/m, creating a standing transverse wave. There is a 3.2kg block hanging from the other end of the rope over a pulley. The oscillator has an

Physics
A battery with an emf of 7.9 V and internal resistance of 1.37 Ω is connected across a load resistor R.If the current in the circuit is 0.88 A, what is the value of R? Answer in units of Ω What power is dissipated in the internal resistance of the

Math
Two bulbs are connected in parallel across a source of emf E = 11.0 V with negligible internal resistance. One bulb has a resistance of 3.0 Ω, and the other is 2.5 Ω. A resistor R is connected in the circuit in series with the two bulbs. What value of R

PHYSICS
A 5.30g lead bullet traveling at 390 m/s is stopped by a large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains with the bullet while the other half is transmitted to the tree, what is the increase in

PHYSICS PLS HELP
Internal resistance problem. Suppose that in Figure 3.3, Vo=13V, R1=250kphm, R2=375kohm, and Ri=1.9Mohm. Initially, the voltmeter is disconnected. EXAMPLES: What is the voltage across R2? [Answer: 7.8 V.] What is the voltage across R2 with the meter

Physics
A battery has an internal resistance of 0.42. A number of identical light bulbs, each with a resistance of 31.500, are connected in parallel across the battery terminals. The terminal voltage of the battery is observed to be onehalf the emf of the

Trigonometry
A TREE STANDS ON HORIZONTAL GROUND. THE ANGLE OF ELEVATION OF THE TOP OF THE TREE FROM A POINT 50 m AWAY FROM THE BASE OF THE TREE IS 11.3°. CALCULATE THE HEIGHT OF THE TREE.

Math
Angela measured 2 trees in her front yard.Tree A is 5m. Tree B is 200 cm taller than tree A. How tall is tree B

physics
A battery X of emf 6volt and internal resistance 2(ohms) is connected in series with a battery Y of emf 4volt and internal resistance 8(ohms) so that the two emf act to oppose each other, calculate the terminal P.D of X and Y

Physics
The battery in the circuit diagram has an EMF of 12V and an unknown internal resistance r. Voltmeter V1 is connected across the battery and voltmeter V2 is connected across the switch S. The resistance of the connecting wires and the ammeter is negligible.

Physics
The battery in the circuit diagram has an EMF of 12V and an unknown internal resistance r. Voltmeter V1 is connected across the battery and voltmeter V2 is connected across the switch S. The resistance of the connecting wires and the ammeter is negligible.

computer science
suppose binary heaps are represented using a pointerbased tree representation instead of an array. consider the problem of merging binary heap LHS with RHS. assume both heaps are full complete trees, containing (2^L)  1 and (2^R) 1 nodes, respectively.

geometry
a tree grew at a 3 degree slant from the vertical. at a point 60 feet from the tree, the angle of elevation to the top of the tree is 14 degrees. find the height of the tree to the nearest tenth of a foot.

physics
A battery with an emf of 14.5 V and internal resistance of 0.83 Ω is connected across a load resistor R. If the current in the circuit is 0.81 A, what is the value of R?

Physics
A voltmeter of internal resistance of 5000 Ω is connected across the poles of a battery of internal resistance 0.20 Ω. The voltmeter reads 1.4993 volts. What is the actual zerocurrent emf of the battery? Would this formula be I = V/(r+R) =

math
the sum of the ages of three redwood trees is exactly one thousand years. when the youngest tree reaches the age of the middle tree, the middle tree will have reached the age of the oldest tree. at that time the middle tree will be four times the current

Chemistry
Is cutting a tree reversible? Several things come to mind, maybe not the same tree will grow back or not. Pls help. Thanks much. Cutting a large tree DOWN, as in severing the trunk, surely is not reversible. We can't cut the tree down, then glue it back

Electricity
A battery is connected to the endpoints A and B of a homogeneous wire. Using an ammeter one finds that a current I = 1.5 A flows through the conductor. Then, the wire is bent in the form of a circle and the same battery is connected to points A and B. What

Physics
A 79.4Ω and a 47.7Ω resistor are connected in parallel. When this combination is connected across a battery, the current delivered by the battery is 0.296 A. When the 47.7Ω resistor is disconnected, the current from the battery drops to 0.126 A. (a)

engineering science
The power in a resistor RLOAD of 10 Ω when connected to a 100 volt supply is measured using a voltmeter and ammeter. There are two possible ways of connecting the meters as shown in FIGURE 2. The resistances RA and RV represent the internal resistances of

Precalc
According to an article by Thomas H. McMahon in the July 1975 issue of Scientific American, a tree’s height varies directly with the radius of the base of its trunk. He expressed this relation using the formula h = kr^2/3 where k is a constant, h is the

iworo ajido
a tree is on one side of a river two point p and q 15metre apart are chosen on the other side of the river in a straight line with the foot of the tree on a horizontal plane.the angle of elevation of the top of the tree from p and q 32degree and 51degree

physics
A battery of emf and negligible internal resistance is connected to two resistances R1 and R2 in series. What is the potential difference across R2?(a)E(R1+R2)/R2(b)E(R1+R2)/R1(c)ER2/R1+R2(d)ER1/R1+R2

math
From 70 feet away from the base of a tree on level ground, the angle to the top of a tree is 60⁰. What is the height of the tree? What is the approximate distance from the vantage point to the top of the tree, to one decimal point? (Assume that the tree

physics
Decide whether each of the following statements are TTrue, or FFalse. A) Velocity antinodes of standing air waves occur at closed ends of tubes. B) Pressure nodes of standing air waves occur at closed ends of tubes. C) Velocity nodes of standing air

CST GEOMETRY
a tree is situated on level ground from a point 135 feet from the base of the tree the measure of the angle of elevation from the ground to the top of the tree is 43 degrees which is the height of the tree to the nearest foot?

physics
if im standing 28 meters from a tree....the tree is leaning 7 degrees vertically away from u...the degree of elevation is 26 degrees from feet to tree...whats the height of the tree?

English
Two men glare at each other. Then, a tree falls and pins them both to the ground. What kind of conflict exists in both situations? A. symbolic B. external C. internal D. natural Is it C?

geometry
can someone please show me the answer for this problem ? a tree is situated on level ground from a point 135 feet from the base of the tree the measure of the angle of elevation from the ground to the top of the tree is 43 degrees which is the height of

Math Help
Mieko, who is 1.53 m tall, wishes to find the height of a tree. She walks 21.66 m from the base of the tree along the shadow of the tree until her head is in a position where the tip of her shadow exactly overlaps the end of the tree top's shadow. She is

Physics
"Point S1 and S2 are close sources of circular water waves each of wavelength 6.0cm. P is a point some distance away from the sources. Explain whether the following path differences (path difference = PS2  PS1) result in nodes or antinodes. a) 6.0cm b)

physics
hen a battery is connected to a 100Ω resistor, the current is 4.00 A. When the same battery is connected to a 449Ω resistor, the current is 1.09 A. Find the emf supplied by the battery and the internal resistance of the battery. I know that emf is

Biology
The genetic code for an oak tree is (A) More similar to an ash tree than to a squirrel (B) more similar to a chipmunk than to a maple tree (C) more similar to a mosquito than to an elm tree

Simple Physics
Decide whether each of the following statements are TTrue, or FFalse. (If the first is T and the rest are F, enter TFFFF) A) If you decrease the tension in a string, the frequency of its fundamental vibration will get lower B) If you have a standing wave

physics
I have to figure out if the following are true or false in order to solve an equation. But I am getting at least two wrong so I can't get the next one right. A)If you increase the tension in a string, the frequency of its fundamental vibration will get

Physics
What is the emf of a battery with a 0.15 Ω internal resistance if the battery delivers 1.5 A to an externally connected 5.0 Ω resistor?

pre algebra
An area has been reforested. After 5 years , one of the tree is 2 meters tall. After six more years, the same tree is 3.2 meters tall. name 2 ordered pairs that can be used to to graph the information?

physics
Standing waves on a string are generated by oscillations having amplitude 0.005 m, angular frequency 942 rad/s, and wave number 0.750p rad/m. a.) What is the equation of the standing wave? b.) At what distances from x=0 are the nodes and antinodes? c.)

MATH
Graph is a complete graph it called K6 IT HAS 6 VETICES. also, every vertex is connected to every other vertex. a) how many possible Hamilton circuits ( say starting from A) including reversals, does the graph have? b) if we were to use the Brute Force

geometrY
See the last picture at the bottom of this web page (for a pic of this exact problem). Using ratios, Tree height = T 15/66 = 6.33/T 15T = 512.73 T = 34.182 T = 34.182 when getting this answer from my question: to estimate the height of a tree, Dave stands

PHYSICS
Decide whether each of the following statements are TTrue, or FFalse. A) If you increase the tension in a string, the frequency of its fundamental vibration will get lower B) If the fundamental vibration of a string has wavelength lambda, then the next