Monday

April 27, 2015

April 27, 2015

**Physics**

The drawing shows a jet engine suspended beneath the wing of an airplane. The weight W of the engine is 12000 N and acts as shown in the drawing. In flight the engine produces a thrust T of 54200 N that is parallel to the ground. The rotational axis in the drawing is ...
*Sunday, October 21, 2012 at 10:22am*

**colledge physics**

A block of mass 0.78kg starts from rest at point A and slides down a frictionless hill of height h. At the bottom of the hill it slides across a horizontal piece of track where the coefficient of kinetic friction is 0.29. This section (from points B to C) is 4.08m in length. ...
*Friday, October 19, 2012 at 2:13pm*

**physics**

A skier starts from rest at the top of a hill. The skier coasts down the hill and up a second hill, as the drawing illustrates. The crest of the second hill is circular, with a radius of 38.1 m. Neglect friction and air resistance. What must be the height h of the first hill ...
*Thursday, October 18, 2012 at 6:07pm*

**Physics HELP!!**

A student presses a book between his hands, as the drawing indicates. The forces that he exerts on the front and back cover are perpendicular to the book and are horizontal. The book weighs 29.7kg. The coefficient of static friction between his hands and the book is 0.44. To ...
*Monday, October 15, 2012 at 11:10pm*

**Physics**

A mountain climber, in the process of crossing between two cliffs by a rope, pauses to rest. She weighs 575 N. As the drawing shows, she is closer to the left cliff than to the right cliff, with the result that the tensions in the left and right sides of the rope are not the ...
*Sunday, October 14, 2012 at 9:37pm*

**Probability**

Consider a deck of 52 cards with the following characteristics: 13 red cards, numbered 1 through 13 13 blue cards, numbered 1 through 13 13 green cards, numbered 1 through 13 13 black cards, numbered 1 through 13 1. Describe the steps necessary to calculate the theoretical ...
*Saturday, October 13, 2012 at 1:21pm*

**english**

I am writing a dialogue between two characters in "Groom Service", I don't know if I am on the right track. I will appreciate it if you culd help me to read through this conversation nad make suggestions. I really appreciate our contributuion. After Martha and ...
*Wednesday, October 10, 2012 at 11:07am*

**6th grade science **

I know how to do the expiriment but I need help with the essay this about the glass cup over the candle and it sucks water.this is what I've got"When you put a cup on top of a lit up candle warm air gets trapped under the glass. Once the glass cools it contracts, ...
*Tuesday, October 9, 2012 at 6:57pm*

**physics**

On a banked race track, the smallest circular path on which cars can move has a radius of 105 m, while the largest has a radius of 175 m, as the drawing illustrates. The height of the outer wall is 18.7 m. Find (a) the smallest and (b) the largest speed at which cars can move ...
*Tuesday, October 9, 2012 at 11:21am*

**Sociology**

Identify, specifically, the ethical issue and the ethical problems it presents. Drawing on various sources, explain how one of the classical theories (utilitarianism, deontology, virtue ethics) would resolve the problem. Then, contrast this response with the perspective ...
*Monday, October 8, 2012 at 9:08pm*

**Physics**

To create artificial gravity, the space station shown in the drawing is rotating at a rate of 1.60 rpm. The radii of the cylindrically shaped chambers have the ratio rA/rB = 3.00. Each chamber A simulates an acceleration due to gravity of 9.60 m/s2. Find values for (a) rA, (b...
*Saturday, October 6, 2012 at 11:32pm*

**Physics**

On a banked race track, the smallest circular path on which cars can move has a radius of 119 m, while the largest has a radius 155 m, as the drawing illustrates. The height of the outer wall is 18 m. (a) Find the smallest speed at which cars can move on this track without ...
*Saturday, October 6, 2012 at 11:25pm*

**7th grade art ms.sue asap please**

1. The ingredients, or building blocks, of an artwork (1 point) studies of art principles of art categories of art elements of art 2. The name of a color (1 point) value intensity hue fue 3. The arrangement of hues in a circular format (1 point) color circle color sphere color...
*Thursday, October 4, 2012 at 9:59pm*

**Physics**

Two forces, 1 and 2, act on the 5.00 kg block shown in the drawing. The magnitudes of the forces are F1 = 47.5 N and F2 = 34.5 N. What is the horizontal acceleration (magnitude and direction) of the block?
*Wednesday, October 3, 2012 at 11:18pm*

**math**

the width of the scale drawing of the office is 2inches. if 1/2inches=3 feet. what is the actual width in feet of the office
*Wednesday, October 3, 2012 at 7:26pm*

**Phy I**

Two forces, 1 and 2, act on the 5.00 kg block shown in the drawing. The magnitudes of the forces are F1 = 47.5 N and F2 = 34.5 N. What is the horizontal acceleration (magnitude and direction) of the block?
*Wednesday, October 3, 2012 at 12:41pm*

**drawing**

well my teacher miss whitcombe has told me to draw a hybrid creature from various parts of insects/machines can anyone help me? many thanks
*Wednesday, October 3, 2012 at 12:24pm*

**statistics**

For each of the following samples that were given an experimental treatment, test whether they represent populations that score significantly higher than the general population: (a) a smaple of 100 with a mean of 82, (b) a sample of 10 with a mean of 84. The general population...
*Tuesday, October 2, 2012 at 8:40pm*

**Physics**

In an automatic clothes dryer, a hollow cylinder moves the clothes on a vertical circle (radius r = 0.40 m), as the drawing shows. The appliance is designed so that the clothes tumble gently as they dry. This means that when a piece of clothing reaches an angle of θ above...
*Tuesday, October 2, 2012 at 5:44pm*

**Uni Physics**

The drawing shows a version of the loop-the-loop trick for a small car. If the car is given an initial speed of v = 4.7 m s-1, what is the largest value that the radius r can have if the car is to remain in contact with the track at all times?
*Tuesday, October 2, 2012 at 12:01am*

**physics**

Two forces, F1 and F2 act on the 7.00-kg block shown in the drawing. The magnitudes of the forces are F1=59.0 N and F2=33.0N. What is the horizontal acceleration (magnitude and direction) of the block? F1 makes a 70 degree angle with the horizon.
*Sunday, September 30, 2012 at 8:08pm*

**Pre-Calculus **

Two sides of a triangle are x units and y units in length. The angle between them is theta. Prove that the area of the triangle is 1/2xysin(theta). I'm not sure how to do this question, I tried drawing a picture but I'm still not understanding it.
*Friday, September 28, 2012 at 10:19pm*

**7th grade art**

1. The ingredients, or building blocks, of an artwork (1 point) studies of art principles of art categories of art elements of art 2. The name of a color (1 point) value intensity hue fue 3. The arrangement of hues in a circular format (1 point) color circle color sphere color...
*Friday, September 28, 2012 at 9:06pm*

**Pre-Calculus **

Two sides of a triangle are x units and y units in length. The angle between them is theta. Prove that the area of the triangle is 1/2xysin(theta). I'm not sure how to do this question, I tried drawing a picture but I'm still not understanding it.
*Friday, September 28, 2012 at 8:42pm*

**Physics**

One kind of slingshot consists of a pocket that holds a pebble and is whirled on a circle of radius r. The pebble is released from the circle at the angle θ so that it will hit the target. The angle in the drawing is 35.5°. The distance to the target from the center ...
*Friday, September 28, 2012 at 12:58am*

**Physics**

The person in the drawing is standing on crutches. Assume that the force exerted on each crutch by the ground is directed along the crutch, as the force vectors in the drawing indicate. If the coefficient of static friction between a crutch and the ground is 1.12, determine ...
*Wednesday, September 26, 2012 at 8:03am*

**Precalc**

#1: f(x) = x^2-4x find vrtex, axis ofsym, y-int, x-int if any, domain, range, where increasing and decreasing. I got.... vertex: 2,4 axis of sym: x=2 D= (-infinity, infnity) range= [4,infinity) im stuck of the intercepts because when i plug i 0 for x i get yint of 0 but the ...
*Tuesday, September 25, 2012 at 9:23pm*

**Check my precalc?**

#1: f(x) = x^2-4x find vrtex, axis ofsym, y-int, x-int if any, domain, range, where increasing and decreasing. I got.... vertex: 2,4 axis of sym: x=2 D= (-infinity, infnity) range= [4,infinity) im stuck of the intercepts because when i plug i 0 for x i get yint of 0 but the ...
*Tuesday, September 25, 2012 at 8:15pm*

**Physics **

The drawing shows an exaggerated view of a rifle that has been ‘sighted in' for a 91.4-meter target. If the muzzle speed of the bullet is v0 = 392 m/s, there are the two possible angles θ1 and θ2 between the rifle barrel and the horizontal such that the ...
*Monday, September 24, 2012 at 6:46pm*

**physics**

The drawing shows an exaggerated view of a rifle that has been ‘sighted in' for a 91.4-meter target. If the muzzle speed of the bullet is v0 = 392 m/s, there are the two possible angles θ1 and θ2 between the rifle barrel and the horizontal such that the ...
*Sunday, September 23, 2012 at 8:29pm*

**Physics**

One kind of slingshot consists of a pocket that holds a pebble and is whirled on a circle of radius r. The pebble is released from the circle at the angle θ so that it will hit the target. The angle in the drawing is 33.4°. The distance to the target from the center ...
*Sunday, September 23, 2012 at 7:00pm*

**Physics**

One kind of slingshot consists of a pocket that holds a pebble and is whirled on a circle of radius r. The pebble is released from the circle at the angle θ so that it will hit the target. The angle in the drawing is 33.4°. The distance to the target from the center ...
*Sunday, September 23, 2012 at 6:32pm*

**Physics**

The helicopter in the drawing is moving horizontally to the right at a constant velocity. The weight of the helicopter is W=59900 N. The lift force L generated by the rotating blade makes an angle of 21.0° with respect to the vertical. (a) What is the magnitude of the ...
*Saturday, September 22, 2012 at 7:35pm*

**English**

1. I want to tell him to draw as many cartoons as possible. 2. I want to tell him to draw many cartoons. 3. I want to tell him to draw many comic books. 4. I want to tell him to spend a lot of time drawing pictures. 5. I want to tell him to read as many comic books as possible...
*Wednesday, September 19, 2012 at 7:03am*

**Physics 1**

A mountain-climbing expedition establishes two intermediate camps, labeled A and B in the drawing, above the base camp. (x1 = 10500 m, and x2 = 17500 m.) What is the magnitude Är of the displacement between camp A and camp B?
*Tuesday, September 18, 2012 at 9:19pm*

**math**

Pilar made a scale drawing of a game room. The pool table is 2 inches long in the drawing. The actual pool table is 6 feet long. What is the scale factor of the drawing?
*Monday, September 17, 2012 at 11:59am*

**physics**

your suitcase has not slid all the way down the slope and is going around at a constant speed on a circle ((r = 15.0 m) as the carousel turns. The coefficient of static friction between the suitcase and the carousel is 0.520, and the angle θ in the drawing is 21.9°. ...
*Sunday, September 16, 2012 at 9:14pm*

**math**

What are the odds in favor of drawing a card lower than a 5 from an ordinary deck of cards?
*Saturday, September 15, 2012 at 7:42am*

**Math**

i don't get it, i have got homework to create a venn diagram of natural and whole numbers aren't they both the same thing? how do i make a venn diagram for that?? it also says that what numbers belong outside the circle? 2. describe more accurate method of drawing the ...
*Wednesday, September 12, 2012 at 9:48pm*

**Organic chemisty(Please check)**

When drawing a kekule structure for CH3CH2OH(alcohol) do I leave the OH at the end just like it is (OH) or would it be shown as O-H? I know that to start of it would be -C- with an H on the top and the bottom as well as the left side and then connected to the C would be ...
*Tuesday, September 11, 2012 at 10:59pm*

**physics**

On a banked race track, the smallest circular path on which cars can move has a radius r1 = 103 m, while the largest has a radius r2 = 157 m, as the drawing illustrates. The height of the outer wall is 18 m.
*Monday, September 10, 2012 at 10:00am*

**physics **

A bus makes a trip according to the position-time graph shown in the drawing. What is the average velocity (magnitude and direction) of the bus during (a) segment A, (b) segment B, and (c) segment C? Express your answers in km/h
*Thursday, September 6, 2012 at 9:15pm*

**Physics**

The helicopter in the drawing is moving horizontally to the right at a constant velocity. the weight of the helicopter is W = 53800 N
*Thursday, September 6, 2012 at 7:53pm*

**Physics **

A baby elephant is stuck in a mud hole. To help pull it out,game keepers use a rope to apply force FA, as part(a) of the drawing shows. By itself, however, forceFA is insufficient. Therefore, two additionalforces FB and FC are applied, as in part (b)of the drawing. Each of ...
*Friday, August 31, 2012 at 3:52pm*

**arithmetic**

a student says that 30 more seventh graders bought canned drinks than eighth graders.Describe and correct the error made in drawing this conclusion from the graph?
*Monday, August 27, 2012 at 6:46pm*

**math**

List the outcomes considered a failure, as well as the probability of failure, for the experiment. Experiment Success P(success) Card game drawing a heart 0.24 drawing a spade, club, or diamond 0.77 drawing a spade 0.76 drawing a spade, club, or diamond 0.76 drawing a spade 0.66
*Friday, August 24, 2012 at 3:01pm*

**physics**

The two hot air balloons in the drawing are 48.2 and h = 63.0 m above the ground. A person in the left balloon observes that the right balloon is è = 11.3° above the horzontal. What is the horizontal distance x between the two balloons?
*Friday, August 24, 2012 at 1:12pm*

**physics**

Your friend has slipped and fallen. To help her up, you pull with a force F, as the drawing shows. The vertical component of this force is 130 newtons, and the horizontal component is 140 newtons.whats the magnitude north ?
*Thursday, August 23, 2012 at 10:01pm*

**physics**

The drawing shows a person looking at a building on top of which an antenna is mounted. The horizontal distance between the person's eyes and the building is d = 83.0 m. In part a the person is looking at the base of the antenna, and his line of sight makes an angle of &#...
*Thursday, August 23, 2012 at 4:34pm*

**math**

What are the odds in favor of drawing a card higher than a jack from an ordinary deck of cards? 1 to 2 0
*Tuesday, August 21, 2012 at 10:58pm*

**probability**

A box contains 4 purple and 9 yellow balls.We take out 2 balls (with replacement). What is the probability of drawing a second ball yellow, if the first ball was purple? please sovle in details..thanks
*Tuesday, August 21, 2012 at 7:10pm*

**Math**

Consider the graph with V = [A, B, C, D, E] and E = [AX, AY, AZ, BB, CX, CY, CZ, YY]. Without drawing a picture of the graph a. List all the vertices adjacent to Y b. List all the edges adjacent to c. Find the degree of Y d. Find the sum of the degrees of the vertices
*Saturday, August 11, 2012 at 11:20am*

**math**

In a scaled drawing 1/3 of an inch represents 6 feet how many inches represent 54 feet
*Tuesday, August 7, 2012 at 10:03pm*

**earth**

A distant galaxy is simultaneously rotating and receding from the earth. As the drawing shows, the galactic center is receding from the earth at a relative speed of uG = 1.7 x 106 m/s
*Tuesday, August 7, 2012 at 8:07pm*

**Physics**

Suppose a nucleus of 93X236 fissions into two fragments whose mass ratio is 0.37:0.63. With the aid of the drawing, estimate the energy (in MeV) released during this fission. The drawing Shows A large. The A1 smaller the A2, A2 is nearly double the size of A1
*Friday, August 3, 2012 at 12:04pm*

**social studies**

If a bow with a draw weight of 60 kilograms were to fire at someone 5 meters away but the user had to roll first before drawing back and firing two arrows. Would the target have enough time to dive for cover behind a rock?
*Thursday, August 2, 2012 at 12:20am*

**Physics**

Suppose a nucleus of 93X236 fissions into two fragments whose mass ratio is 0.37:0.63. With the aid of the drawing, estimate the energy (in MeV) released during this fission. Ive treied to do this problem but i keep getting the wrong answer. I keep getting 164.253 MeV
*Wednesday, August 1, 2012 at 5:16pm*

**Math**

If I have cards numbered 1 through 40 and I randomly draw 3 then replace them, shuffle them and draw three again what are the odds of drawing one of the numbers more than once
*Tuesday, July 31, 2012 at 8:43pm*

**system analysis and palnning**

objective The Milestone Assignments are based on the Projects and Cases for use with the Systems Analysis and Design Methods textbook by Whitten & Bentley. There are six (6) parts to the Project, consisting of twelve (12) milestones. During Weeks 2-7, you will be required to ...
*Thursday, July 26, 2012 at 11:07pm*

**readings in world civilization**

Kindly please check my answers. Thanks 1. As expressed in your readings, which of these statements best expresses the crucial paradox of the twentieth century? A. Human life is disregarded as nations seek global security. B. War in the name of liberty leads to tyranny. C. ...
*Thursday, July 26, 2012 at 12:47pm*

**Physics review**

In this example, sound waves are created in a tube. The tube is partially filled with water and the level of water is adjusted in the tube until there is a standing wave. Draw the lowest frequency standing wave for the two water levels in the drawing. The drawing has two tubes...
*Wednesday, July 25, 2012 at 12:45pm*

**college stat**

Use the graphic to show the sampling distributions of means for the sample from Prison A (n=82) and the sample from Prison B (n=37). Mark the expected value of the mean and the standard units. Shade in the critical zone for alpha = .05.Locate each sample mean after you have ...
*Tuesday, July 24, 2012 at 4:56pm*

**algebra 1 **

The bag contains three red marbles, two blue marbles, and seven yellow marbles. Two marbles are randomly drawn from the bag. What is the probability of drawing a blue marble, replacing it, and then drawing a yellow marble
*Saturday, July 21, 2012 at 4:07pm*

**conditional probability**

You have two bags of marbles. Bag 1 has 5 red and 6 blue marbles. Bag 2 has 20 green and 5 red marbles. What is the probability of drawing a red marble out of Bag 2, given that you drew a red marble out of Bag 1?
*Tuesday, July 17, 2012 at 3:38pm*

**math**

A jar contains 3 pink balls, 6 blue balls, and 3 red balls. Event A = drawing a red ball on the first draw Event B = drawing a pink ball on the second draw If two balls are drawn from the jar, one after the other without replacement, what is P(A and B) expressed in simplest form
*Monday, July 16, 2012 at 1:34pm*

**critical thinking**

Could someone double check my answers for me? Thank You! 2.) “Right. George Bush ‘won’ the election in 2000, didn’t he?” the use of quotation marks around “Won” has the effect of a a. Weaseler b. Dysphemism c. downplayer d. rhetorical ...
*Friday, July 13, 2012 at 4:34pm*

**Statistics and Probability**

Drawing from a set of six blue beads and three gold beads, use ratios to state the likelihood of each color being drawn; conducts experiments to test predictions. Show your work and explain your answer.
*Wednesday, July 11, 2012 at 1:59pm*

**math**

I hope i am on the right track. Please look at my answer so I am doing correctly. The letters of the word mathematics are written on separate pieces of paper and put in a hat. What is the probability of drawing a vowel from the hat? (vowels are a, e, i, o u.) Number of letters...
*Saturday, July 7, 2012 at 5:48pm*

**probability**

The letters of the word mathematics are written on separate pieces of paper and put in a hat. What is the probability of drawing the letter m from the hat? my first answer is 2/12= 1/6 someone else has 2/11 please show us the correct answer thanks!
*Thursday, July 5, 2012 at 7:48pm*

**math**

1. A card is drawn from an ordinary deck of 52 playing cards. What are the odds in favor of drawing an ace? 2. The letters of the word mathematics are written on separate pieces of paper and put in a hat. What is the probability of drawing a vowel from the hat? (vowels are a, ...
*Wednesday, July 4, 2012 at 8:34pm*

**physics **

The drawing shows a square, each side of which has a length of L = 0.25 m. Two different positive charges q1 and q2 are fixed at the corners of the square. Find the electric potential energy of a third charge q3 = -4.35 10-8 C placed at corner A and then at corner B.
*Wednesday, July 4, 2012 at 12:00am*

**Physics**

Two forces, 1 and 2, act on the 5.00 kg block shown in the drawing. The magnitudes of the forces are F1 = 58.0 N and F2 = 26.5 N. What is the horizontal acceleration (magnitude and direction) of the block?
*Wednesday, June 27, 2012 at 4:39pm*

**Physics**

A wooden plank with length L = 7.5 m and mass M = 104 kg is centered on a granite cube with side S = 2.0 m. A person of mass m = 64 kg begins walking from the center of the plank outward, as shown in the figure. How far from the center of the plank does the person get before ...
*Friday, June 22, 2012 at 11:18pm*

**drawing**

please give me some important tips about decoration of a science chart based on 'tiger in trouble.'
*Thursday, June 21, 2012 at 4:50am*

**drawing**

please give me some important tips about decoration of a science chart.
*Wednesday, June 20, 2012 at 9:59pm*

**probability**

Consider a deck of 52 cards with the following characteristics: 13 red cards, numbered 1 through 13 13 blue cards, numbered 1 through 13 13 green cards, numbered 1 through 13 13 black cards, numbered 1 through 13 1. Describe the steps necessary to calculate the theoretical ...
*Monday, June 18, 2012 at 12:06pm*

**Sceince**

The drawing shows an edge-on view of two planar surfaces thatintersect and are mutually perpendicular. Surface 1 has an area of 1.7 m^2, while surface 2 san area of 3.2 m^2. The electric field in the drawing is uniform andhas a magnitude of 250 N/C. Find the electrical flux ...
*Sunday, June 10, 2012 at 12:45pm*

**Physics**

The drawing shows an edge-on view of two planar surfaces thatintersect and are mutually perpendicular. Surface 1 has an area of 1.7 m^2, while surface 2 san area of 3.2 m^2. The electric field in the drawing is uniform andhas a magnitude of 250 N/C. Find the electrical flux ...
*Saturday, June 9, 2012 at 10:34pm*

**Physics(Please check)**

A uniform plank of length 5.0 m and weight 225 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support (see the drawing). To what distance x can a person who weighs 404 N walk on the overhanging part of the plank before it just begins to ...
*Friday, June 8, 2012 at 1:15pm*

**math**

Nine cards are numbered 1-9. what is the probability of drawing a number greater than 6 or an odd number. I know the answer is 2/3 but I don't know how you find the probability when it says "greather than 6 OR and odd number"... how do you calculate the OR?
*Wednesday, June 6, 2012 at 5:44pm*

**Physics(Please check)**

A rectangular plate is rotating with a constant angular speed about an axis that passes perpendicularly through one corner, as the drawing shows. The centripetal acceleration measured at corner A is n times as great as that measured at corner B. What is the ratio L1/L2 of the ...
*Tuesday, June 5, 2012 at 5:07pm*

**Math**

damn i cant post a drawing..there r 2 cubes, cube x and cube y and the length of the cube x is 12cm. A) find the volume of cube x. B) if cube y has a volume equal to 1/8 of the volume of cube x, find the length of its edge.
*Monday, June 4, 2012 at 10:46am*

**scaled math question**

In a scaled drawing, 1/3 of an inch represents 6 feet. How many inches represent 54 feet
*Saturday, June 2, 2012 at 7:13pm*

**3 grade math ms sue**

problem solving draw a picture 1-Larry used a pattern of colors to make a cube train.He used a red cube,a blue cube,a red cube,and another red cube before he started the pattern again.He used 15 cubes. How many red cubes did Larry use? 2-Eric and Frank want to equally share 4/...
*Thursday, May 31, 2012 at 4:38pm*

**physics**

A rotating door is made from four rectangular sections, as indicated in the drawing. The mass of each section is 86 kg. A person pushes on the outer edge of one section with a force of F = 61 N that is directed perpendicular to the section. Determine the magnitude of the door...
*Thursday, May 31, 2012 at 12:00pm*

**physics**

A rotating door is made from four rectangular sections, as indicated in the drawing. The mass of each section is 86 kg. A person pushes on the outer edge of one section with a force of F = 61 N that is directed perpendicular to the section. Determine the magnitude of the door...
*Wednesday, May 30, 2012 at 8:44pm*

**ALGEBRA**

What are the odds in favor of drawing face card from an ordinary deck of cards? to
*Tuesday, May 29, 2012 at 10:05pm*

**English**

1. He is playing a game with his smart phone. 2. He is talking on the smart phone. 3. He is writing something on his smart phone. 4. Tom and Bill are talking with each other in the corner of the classroom. 5. He is drawing a cartoon. 6. He is reading a comic book. 7. He is ...
*Tuesday, May 29, 2012 at 8:34pm*

**Physics**

Multiple Concept Example 9 provides background pertinent to this problem. The magnitudes of the four displacement vectors shown in the drawing are A = 16.0 m, B = 12.0 m, C = 13.0 m, and D = 23.0 m. Determine the (a) magnitude and (b) direction for the resultant that occurs ...
*Tuesday, May 29, 2012 at 7:41pm*

**Physics**

An aerialist on a high platform holds onto a trapeze attached to a support by an 8.0-m cord. (See the drawing.) Just before he jumps off the platform, the cord makes an angle of 41° with the vertical. He jumps, swings down, then back up, releasing the trapeze at the ...
*Tuesday, May 29, 2012 at 7:41pm*

**Physics**

A baby elephant is stuck in a mud hole. To help pull it out, game keepers use a rope to apply a force FA, as part a of the drawing shows. By itself, however, force FA is insufficient. Therefore, two additional forces FB and FC are applied, as in part b of the drawing. Each of ...
*Sunday, May 27, 2012 at 5:40pm*

**ALGEBRA**

What are the odds in favor of drawing face card from an ordinary deck of cards? to
*Wednesday, May 23, 2012 at 5:43pm*

**physics**

The drawing shows a person (weight W = 581 N, L1 = 0.843 m, L2 = 0.404 m) doing push-ups. Find the normal force exerted by the floor on each hand and each foot, assuming that the person holds this position. force on each hand N force on each foot N
*Wednesday, May 23, 2012 at 1:38pm*

**physics**

Review Conceptual Example 7 before starting this problem. A uniform plank of length 5.0 m and weight 225 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support (see the drawing). To what distance x can a person who weighs 451 N walk on the...
*Wednesday, May 23, 2012 at 1:37pm*

**English**

1. The man is drawing cartoons on a drawing board. He has a pen on his right ear. What do you think he is doing? (Would you check this writing?) 2. The dogs are playing with balls. 3. Each dog is playing with a ball. 4. The dogs are playing with a ball. (Are the three ...
*Tuesday, May 22, 2012 at 7:47pm*

**physics-series and parellel circuits**

I'll try to explain the schmatic drawing... a 120V battery, total of 12A, leads into a 8ohm resistor (R1), then breaks off into two parallel lines, R2 and R3. the resistance is unknown in R2, and in R3 the resistance is 3 ohms. I need to find the Amperage in R1,R2 and R3 ...
*Sunday, May 20, 2012 at 5:01pm*

**math**

drawing several kinds of triangles including a right triangle, than draw a square on each of the sides of the triangles. compute the area of the squares and use this information to investigate whether the pythagorean theorem works for only the right triangles.(use a geometry ...
*Wednesday, May 16, 2012 at 12:14am*

**Math**

I have a challenge of drawing as many rectangles as I can but using only 8 squares on a grid that's only 4 across and 4 up. I can only draw two....
*Monday, May 7, 2012 at 5:49pm*

**Math**

I have a challenge of drawing as many rectangles as I can but using only 8 squares on a grid that's only 4 across and 4 up. I can only draw two....
*Monday, May 7, 2012 at 5:41pm*

**math**

a drawing of a deck has a scale of 1 inch to 5 feet. the actual deck is 18 feet long.how long is the deck in the scale drawing?
*Thursday, May 3, 2012 at 8:44pm*