Thursday

July 24, 2014

July 24, 2014

**Recent Homework Questions About Drawing**

Post a New Question | Current Questions

**math**

The length of the highway is 500 miles. If 1 inch represents 100 miles, what is the length of the highway on the map? If on a scale drawing 55 feet are represented by 20 inches, then a scale of 1/8 inch represents how many feet? If 1 inch represents 55 miles on a map, then how...
*Tuesday, February 11, 2014 at 5:59pm*

**Math**

David drew a scale drawing of a table.The real table is 12 feet long.I measured out in inches that the height was 1/2 and the length was 2.But my question is What scale did he use?
*Tuesday, February 11, 2014 at 4:15pm*

**math**

Ruth makes a scale drawing of her room. She uses scale 3/2 in. : 1ft. In the drawing the dimensions are 18 in by 24 in. What are actual dimensions of room.
*Monday, February 10, 2014 at 7:23pm*

**Social Studies**

Which of these people is an example of an entrepreneur? Malia started selling jewelry she made in an online store. Liam found a summer job walking dogs in his neighborhood. Pavel worked hard to learn to speak a foreign language. Ophelia took classes in painting and drawing at ...
*Monday, February 10, 2014 at 4:57pm*

**Math**

A scale drawing has a scale of 1/4 in. :6ft. Find the length on the drawing for each actual length a.18ft b. 66ft c. 204ft
*Monday, February 10, 2014 at 4:41pm*

**geometry**

An architect plans to make a drawing of the room of a house. The segment LM represents the floor of the room. He wants to construct a line passing through Q and perpendicular to side LM to represent a wall of the room. He uses a straightedge and compass to complete some steps ...
*Monday, February 10, 2014 at 4:13pm*

**Math(CHECK ANSWERS)**

PLEASE CHECK MY MATH ANSWERS PLEASE AND LABEL THEM LIKE 1.WRONG AND STUFF THANKS ! 1.There are 5 red crayons, 6 yellow crayons, and 11 blue crayons in a shoebox. What is the ratio of the total number of crayons to the number of yellow crayons? A.6:22 B.6:16 C.22:6(I PICK THIS...
*Monday, February 10, 2014 at 3:13pm*

**math**

Brett made a scale drawing of a rectangular room in his house. The actual length of the room is 12 4/5 ft. The scale used to make the drawing was 1/4 in.=1 ft. What is the length, in inches, of the room on the drawing?
*Sunday, February 9, 2014 at 7:53pm*

**physics 1**

Only two forces act on an object (mass=4.00 kg), as in the drawing. Find (a) the magnitude and (b) the direction (relative to the x axis) of the acceleration of the object.
*Sunday, February 9, 2014 at 5:12pm*

**Algebra 2**

Can someone please check my answers? Find the probability of drawing the given cards from a standard dick of 52 cards (a) with replacement and (b) without replacement. 1.A red card, then a black card a. 1/4 b. 13/51 2.A ten, then the ace of hearts a. 1/676 b. 1/663 3.A face ...
*Sunday, February 9, 2014 at 3:03pm*

**pre a-p math**

a playground is 100ft by 150 ft. you want to make a scale drawing of the playground on a 8.5 by 11 paper what scale could you use? please help
*Wednesday, February 5, 2014 at 5:44pm*

**physics**

A basketball is launched with an initial speed of 10.0 m/s and follows the trajectory shown. The height of the basket y= 1.50m.From what distance x the ball is shot? Note: The drawing is not to scale. Angle is 45degrees
*Wednesday, February 5, 2014 at 5:40pm*

**Algebra 2**

How would you find the probability of drawing a face card and a 4 out of a standard deck of 52 cards? I got 4/13 but I don't think its right.
*Tuesday, February 4, 2014 at 7:09pm*

**Algebra 2**

Can someone please check my answers? A card is randomly drawn from a standard deck of 52 cards. Find the probability of drawing the indicated card. 1.Not an ace. =12/13 2.A face card and a four. =4/13 3.A heart or a diamond. =1/2 4.A six or a seven. = 2/13 5.An ace and a spade...
*Monday, February 3, 2014 at 9:44pm*

**Algebra 2**

Can someone please check my answers? A card is randomly drawn from a standard deck of 52 cards. Find the probability of drawing the indicated card. 1.Not an ace. =12/13 2.A face card and a four. =4/13 3.A heart or a diamond. =1/2 4.A six or a seven. = 2/13 5.An ace and a spade...
*Monday, February 3, 2014 at 8:08pm*

**Math 3rd grade**

2-Eric and Frank want to equally share 4/3 feet of rope. what length of rope should each friend get? Explain how to use a drawing to help solve the problem.
*Monday, February 3, 2014 at 6:02pm*

**physics**

The three displacement vectors in the drawing have magnitudes of A = 5.73 m, B = 6.48 m, and C = 3.12 m. Find the resultant ((a) magnitude and (b) directional angle) of the three vectors by means of the component method. Express the directional angle as an angle above the ...
*Monday, February 3, 2014 at 5:41pm*

**math**

suppose she cut the cake in 2008 size pieces and six people ate all the pieces explain how they could have divided the pieces so that everyone ate the same amount of cake you may show your work in a drawing
*Sunday, February 2, 2014 at 6:41pm*

**Math**

1/ What fraction of Brian's pizza has pepperoni? What fraction of Greg's pizza has pepperoni ? Whose pizza has greater fraction of pepperoni? Note: In the drawing: Brian's pizza : 2/6 Greg's pizza: 2/4 But in the drawing Greg's pizza greater than Brian'...
*Saturday, February 1, 2014 at 5:04pm*

**physics**

A snowmobile moves according to the velocity-time graph shown in the drawing. What is the snowmobile's average acceleration during each of the segments A, B, and C? The scale for the time axis is 30 s per increment, and the scale for the velocity axis is 50 m/s per increment.
*Friday, January 31, 2014 at 12:33am*

**physics**

A stream of water strikes a stationary turbine blade horizontally, as the drawing illustrates. The incident water stream has a velocity of + 17.4 m/s, while the exiting water stream has a velocity of – 15.0 m/s. The mass of water per second that strikes the blade is 33.6 ...
*Thursday, January 30, 2014 at 9:50pm*

**physics**

A stream of water strikes a stationary turbine blade horizontally, as the drawing illustrates. The incident water stream has a velocity of + 17.4 m/s, while the exiting water stream has a velocity of – 15.0 m/s. The mass of water per second that strikes the blade is 33.6 ...
*Thursday, January 30, 2014 at 9:45pm*

**physics**

A stream of water strikes a stationary turbine blade horizontally, as the drawing illustrates. The incident water stream has a velocity of + 17.4 m/s, while the exiting water stream has a velocity of – 15.0 m/s. The mass of water per second that strikes the blade is 33.6 ...
*Thursday, January 30, 2014 at 9:38pm*

**physics**

A stream of water strikes a stationary turbine blade horizontally, as the drawing illustrates. The incident water stream has a velocity of + 17.4 m/s, while the exiting water stream has a velocity of – 15.0 m/s. The mass of water per second that strikes the blade is 33.6 ...
*Thursday, January 30, 2014 at 9:37pm*

**Physics 141**

A snowmobile moves according to the velocity-time graph shown in the drawing. What is the snowmobile's average acceleration during each of the segments A, B, and C? The scale for the time axis is 100 s per increment, and the scale for the velocity axis is 110 m/s per ...
*Thursday, January 30, 2014 at 5:35pm*

**science**

plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not an online course exam so feel free to answer these thankx MCQS 01. Changes of equal magnitude are separated by some distance. If the changes are in ...
*Thursday, January 30, 2014 at 2:49am*

**science**

plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not an online course exam so feel free to answer these thankx MCQS 01. Changes of equal magnitude are separated by some distance. If the changes are in ...
*Thursday, January 30, 2014 at 2:48am*

**Physics**

plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not an online course exam so feel free to answer these thankx MCQS 01. Changes of equal magnitude are separated by some distance. If the changes are in ...
*Thursday, January 30, 2014 at 2:48am*

**Science**

plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not an online course exam so feel free to answer these thankx MCQS 01. Changes of equal magnitude are separated by some distance. If the changes are in ...
*Thursday, January 30, 2014 at 2:47am*

**math**

rene put 2 blue marbles, 2 green marbles, 2 red marbles and 2 white marbles in a bag, if Rene takes 1 marble out of the bag without looking, what is the probability of rene drawing a blue marble?
*Thursday, January 30, 2014 at 1:46am*

**math**

Quinn used a scale drawing to build a soccer field near his school. Initially, he wanted the field to be 28 yards long and 17.5 yards wide. He decided to change the length of the field to 36 yards. If the width is to be changed by the same scale factor, what is the new width ...
*Wednesday, January 29, 2014 at 11:10am*

**math**

a scale drawing is 10 cm:1mm Which will be larger the actual object or the scale drawing and why
*Tuesday, January 28, 2014 at 8:34pm*

**math**

suppose there are 2 pieces of the cake left over, but you don't know how many pieces were in the whole cake. explain how you could find the number of pieces in the whole cake if taylor told you 1/6 of the cake was left. you may show your work in a drawing.
*Tuesday, January 28, 2014 at 7:01pm*

**math**

taylor baked a cake to serve after dinner. suppose she cut the cake into 8 equal size pieces and 6 people ate all the pieces. explain how they could have didided the pieces so that everyone ate the same amount of cake. you may show you work in a drawing.
*Tuesday, January 28, 2014 at 6:57pm*

**math**

Miguel is a cartoonist. Miguel drew 2 cartoon cells in 3 hours. If he keeps drawing at the same rate, about how many cells will he draw in 9 hours?
*Tuesday, January 28, 2014 at 3:23pm*

**physic**

The drawing shows a device that you can make with a piece of cardboard, which can be used to measure a person's reaction time. Hold the card at the top and suddenly drop it. Ask a friend to try to catch the card between his or her thumb and index finger. Initially, your ...
*Tuesday, January 28, 2014 at 12:08pm*

**physics**

A car is being pulled out of the mud by two forces that are applied by the two ropes shown in the drawing. The dashed line in the drawing bisects the 30.0° angle. The magnitude of the force applied by each rope is 2900 newtons (N). (a) How much force would a single rope ...
*Monday, January 27, 2014 at 8:38pm*

**Writing (Writeacher and Ms. Sue)**

Write a description of a scene in the story "The Birds" by Daphne Du Maurier as it would look to a bird flying overhead. What do you think? I wrote the description about the scene when the birds are entering the house through the chimney. "The bright flames rose...
*Monday, January 27, 2014 at 4:30pm*

**math(CHECK ASNWERS)**

PLEASE CHECK MY ANWERS THANKS 1.The length of the driveway shown on a blueprint is 2 inches. If the actual length of the driveway is 20 feet, what is the scale of the blueprint? 1 in. = 1 ft 1 in. = 2 ft 1 in. = 10 ft (I PICK THIS) 1 in. = 40 ft 2.Marcus built a model car that...
*Sunday, January 26, 2014 at 7:23pm*

**math**

hey everyone can you guys please answer these 5 questions or 3 or 2 how many you want to answer I just need answers for these last 5 since I did the rest and thanks to you all because I do appreciate this. 1.The length of the driveway shown on a blueprint is 2 inches. If the ...
*Sunday, January 26, 2014 at 5:29pm*

**physics**

A 0.55 kg block of ice is sliding by you on a very slippery floor at 4 m/s. As it goes by, you give it a kick perpendicular to its path. Your foot is in contact with the ice block for 0.0025 seconds. The block eventually slides at an angle of 23 degrees from its original ...
*Thursday, January 23, 2014 at 12:25am*

**physics**

Three forces are applied to an object, as indicated in the drawing. Force Farrowbold1 has a magnitude of 29.0 newtons (29.0 N) and is directed 30.0° to the left of the +y axis. Force Farrowbold2 has a magnitude of 18.9 N and points along the +x axis. What must be the ...
*Sunday, January 19, 2014 at 4:15pm*

**MATH Fractions**

Suppose there are 2 pieces of the cake left over,but you don't know how many pieces were in the whole cake. Explain how you could find the number of pieces in the whole cake if Taylor told you 1/6 of the cake was left. You may show your work in a drawing. How you get the ...
*Thursday, January 16, 2014 at 4:02pm*

**MATH Fractions**

Taylor baked a cake to serve after dinner. Suppose she cut the cake into 8 equal size pieces and 6 people ate all the pieces. Explain how they could have divided the pieces so that everyone ate the same amount of cake. You make show your work in a drawing. How do you work this...
*Thursday, January 16, 2014 at 3:57pm*

**Business-Need help!**

1. Regarding Mexico's Porfirio Díaz, which statement is true? A. He enacted laws that favored wealthy elites. B. He overthrew the Mexican Revolution of 1910. C. He freed many peasant farmers from debt peonage. D. He reformed the hacienda system. 2. In the 1840s, the...
*Wednesday, January 15, 2014 at 7:47pm*

**history**

The most important factor in drawing all of the Middle East into World War I was
*Thursday, January 9, 2014 at 7:47pm*

**math**

betsy travel on a bus for 21 miles to school. if betsy travels for a full week (7 days). how many total miles did she travel ? Use a drawing and distributive property to solve. I got the answer iam asking for the what drawing should I show. pls help thank you
*Thursday, January 9, 2014 at 6:57pm*

**math**

betsy travel on a bus for 21 miles to school. if betsy travels for a full week (7 days). how many total miles did she travel ? Use a drawing and distributive property to solve.
*Thursday, January 9, 2014 at 6:38pm*

**math**

betsy travel on a bus for 21 miles to school. if betsy travels for a full week. how many total miles did she travel ? Use a drawing and distributive property to solve.
*Thursday, January 9, 2014 at 6:17pm*

**math**

betsy travel on a bus for 21 miles to school. if betsy travels for a full week. how many total miles did she travel ? Use a drawing and distributive property to solve.
*Thursday, January 9, 2014 at 6:11pm*

**math**

What is the scale drawing of 14 1/2 and 7 1/4
*Thursday, January 2, 2014 at 3:31pm*

**Math**

Mariko has an 80 inches = 1 inch scale- drawing of the floor of her house. On the floor plan, the dimension of her rectangular living room are 1 7/8 inches by 2 1/2 inches. What is the area of her real living room in square feet?
*Friday, December 27, 2013 at 11:38am*

**Math**

A scale drawing of a rectangular field is 10 cm by 8.5 cm. if the actual field has dimensions of 40 meters by 34 meters, which could be the scale used for the drawing?
*Friday, December 27, 2013 at 11:29am*

**English**

Valmy gets a paper from the safe - a paper with a drawing on it. ------------------- What is the meaning of 'paper' in the sentence? Do we have to use 'a' before 'paper' or not?
*Wednesday, December 18, 2013 at 5:46am*

**Precalculus**

Please check. I did these problems by drawing a graph ... So it would be great if you do it that way too if you need to correct me. I know this is overwhelming but please take your time... It is easier for me to post all of these at once,since I can find it easier rather than ...
*Saturday, December 14, 2013 at 3:49pm*

**Math help?**

Can someone plz explain how to show scaled measurements in a scale drawing? For example: Width/x=24in/1in length/x= 24in/1in
*Thursday, December 12, 2013 at 7:45pm*

**Math**

Jordan has $10.00.If each drawing pen costs $1.49,how many can he buy?
*Thursday, December 12, 2013 at 6:02pm*

**Math**

Jordan has $10.00.if each drawing pen costs $1.449,how many can he buy?
*Thursday, December 12, 2013 at 5:55pm*

**Math help,plz :(**

So I'm drawing a scale drawing of A room (Yes, I know what a Scale drawing is) and I don't know how to do it adding proportions.... and what does it mean to Use dimensions to scale the room? Care to explain?
*Thursday, December 12, 2013 at 3:21pm*

**physics- multiple choice**

1. Two forces are applied to a box on a frictionless surface. One force is 40 N [S]. The second force is 70 N [N30ºW]. What is the overall net force? a) 40.6 N [S59.5ºE] b) 110 N c) 40.6 N [N59.5ºW] d) 40.6 N [S30.5ºW] 2. When drawing free body diagrapms, ...
*Thursday, December 12, 2013 at 2:21am*

**College Algebra**

The letters in the word probability are written on separate slips of paper. Find the probability of drawing two i's in a row without replacement.
*Wednesday, December 11, 2013 at 6:18pm*

**math**

Andrew and Shawn are making kite. They start by drawing their plan onto some squared paper. The initial points that they use are O(0,0), A(7,24) and B(25,0). Andrew says that the fourth vertex of the kite should be on the line that is through (0,0) and perpendicular to the ...
*Tuesday, December 10, 2013 at 5:29am*

**Physics(Help!!!!)**

A person of mass m2= 85.0 kg is standing on a rung, one third of the way up a ladder of length d= 3.0 m. The mass of the ladder is m1= 15.0 kg, uniformly distributed. The ladder is initially inclined at an angle Î¸= 35.0âˆ˜ with respect to the ...
*Monday, December 9, 2013 at 1:54pm*

**Math**

How much must be invested to have 25,000.00 after 5 years in an account drawing 7% interest compounded continuously?
*Monday, December 9, 2013 at 4:02am*

**Physics 2**

A sheet of plastic (n = 1.56) covers one slit of a double slit (see the drawing). When the double slit is illuminated by monochromatic light (vacuum = 568 nm), the center of the screen appears dark rather than bright. What is the minimum thickness of the plastic?
*Sunday, December 8, 2013 at 10:42pm*

**Math :)**

In a bag of 10 marbles, there are 5 blue marbles, 3 red marbles, and 2 white marbles. Complete the probability distribution table for drawing 1 marble out of the bag. Draw a: Probability Blue marble 5/10 Red marble 3/10 White marble 2/10 Total: 10 Am I doing this right? Thanks...
*Friday, December 6, 2013 at 7:43pm*

**College Algebra**

Find the probability of drawing two i's in a row without replacement.
*Tuesday, December 3, 2013 at 12:42pm*

**Pre Alg HELP**

What can the scale drawing of a 10 x 8 ft room be? Help?
*Tuesday, December 3, 2013 at 12:28am*

**Math**

How do I find the length of an object on scale drawing? an automobile is 16 feet long; 1 inch equals 6 inches.
*Monday, December 2, 2013 at 6:07pm*

**Statistics**

Suppose 5 cards are drawn, without replacement, from a standard bridge deck of 52 cards. Find the probability of drawing 4 clubs and 1 non- club.
*Sunday, December 1, 2013 at 4:26pm*

**Math**

1. Rosa, Roberto, Andrea, and Inno find an estimate for square root 10. Who has proposed the best solution? (1 point) Rosa: "Use square root 9 and square root 25 to estimate." Roberto: "I will use square root 4 and square root 9." Andrea: "It should be...
*Sunday, December 1, 2013 at 4:27am*

**physics**

A 30.0-kg block is resting on a flat horizontal table. On top of this block is resting a 15.0-kg block, to which a horizontal spring is attached, as the drawing illustrates. The spring constant of the spring is 340 N/m. The coefficient of kinetic friction between the lower ...
*Tuesday, November 26, 2013 at 3:33pm*

**physics**

To measure the static friction coefficient between a 1.6-kg block and a vertical wall, the setup shown in the drawing is used. A spring (spring constant = 400 N/m) is attached to the block. Someone pushes on the end of the spring in a direction perpendicular to the wall until ...
*Tuesday, November 26, 2013 at 3:29pm*

**Physics Classical Mechanics**

A person of mass m2= 85.0 kg is standing on a rung, one third of the way up a ladder of length d= 3.0 m. The mass of the ladder is m1= 15.0 kg, uniformly distributed. The ladder is initially inclined at an angle θ= 35.0∘ with respect to the horizontal. Assume that ...
*Tuesday, November 26, 2013 at 10:26am*

**Physics Classical Mechanics**

A uniform steel beam of mass m1= 300.0 kg is held up by a steel cable that is connected to the beam a distance L= 5.0 m from the wall, at an angle θ= 40.0∘ as shown in the sketch. The beam is bolted to the wall with an unknown force F⃗ exerted by the wall on ...
*Tuesday, November 26, 2013 at 10:25am*

**Algebra 1 **

a scale drawing for a new city library shows a rectangular children's reading room with a length of 5 1/4 inches and a width of 3 1/2 inches. The scale on the is 1 inch:4feet . What will be the actual length and with of the room when the library is built. Can someone ...
*Monday, November 25, 2013 at 8:34pm*

**pre-alg **

What is the scale that you will use for your scale drawing? I'm not understanding the question? is it asking what number i will use? or is it asking what type of graph type deal I will use? (My scale was 115 x 160)
*Monday, November 25, 2013 at 7:51pm*

**math**

the scale drawing of a model is 3 inches which equals 10 feet what is the actual size for 15 inches
*Monday, November 25, 2013 at 4:12pm*

**reading (Ms. Sue or Writeacher)**

Those members will create a "page" in a characterization book entitled "Two Kinds." Each page will present a character, character terms specific to this character, a graphic image and text suppot that "proves" each character term that has been ...
*Sunday, November 24, 2013 at 12:38pm*

**Physics**

A steel (Young's modulus 2.0 x 1011 N/m2) wire is strung between two supports attached to a ceiling. Initially, there is no tension in the wire when it is horizontal. A 98-N picture is then hung from the center of the wire, as the drawing illustrates, so the ends of the ...
*Saturday, November 23, 2013 at 11:31pm*

**math**

I do not understand how the odds of drawing a queen from a deck of cards is 3to1
*Saturday, November 23, 2013 at 6:34pm*

**Check my answers 6 ?s- Physics**

What is a free body diagram? (Points : 1) a drawing of an object in free fall a diagram showing all the forces acting on an object but not its surroundings <-- a diagram showing the shape of an object and the forces that act on it a diagram of an object that is free to ...
*Tuesday, November 19, 2013 at 12:11pm*

**physics**

A wrecking ball (weight = 4880 N) is supported by a boom, which may be assumed to be uniform and has a weight of 3520 N. As the drawing below shows, a support cable runs from the top of the boom to the tractor. The angle between the support cable and the horizontal is θ1...
*Sunday, November 17, 2013 at 10:06am*

**math**

an autmobile is 16 feet long the scale drawing is 1 inch:6 inches my scale factor answer is 96in am i right
*Saturday, November 16, 2013 at 5:22pm*

**Physical education**

we have a lithium atom (atomic mass m = 6 amu) connected to two very much more massive atoms, as illustrated in the drawing below. We can pretend that the massive atoms don¡¯t move. The spring constants k1 and k2 are 73 N/m and 27 N/m, respectively. What is the ...
*Tuesday, November 12, 2013 at 11:27pm*

**phyics**

A 11.7-kg uniform board is wedged into a corner and held by a spring at a 50.0° angle, as the drawing shows. The spring has a spring constant of 230 N/m and is parallel to the floor. Find the amount by which the spring is stretched from its unstrained length.
*Tuesday, November 12, 2013 at 1:02pm*

**phyics**

The wheels, axle, and handles of a wheelbarrow weigh W = 53 N. The load chamber and its contents weigh WL = 547 N. The drawing shows these two forces in two different wheelbarrow designs. To support the wheelbarrow in equilibrium, the man’s hands apply a force to the ...
*Tuesday, November 12, 2013 at 10:27am*

**physics**

Water is flowing down through the pipe shown in the drawing. Point A is 0.410 m higher than B. The speed of the water at A and B are vA = 5.00 m/s and vB = 3.80 m/s. Determine the difference PB - PA in pressures between B and A. The density of water is 1.00x10^3 kg/m3.
*Thursday, November 7, 2013 at 9:50pm*

**Physics**

he weight of the block in the drawing is 77.0 N. The coefficient of static friction between the block and the vertical wall is 0.490. (a) What minimum magnitude of the force is required to prevent the block from sliding down the wall? (Hint: The static frictional force exerted...
*Thursday, November 7, 2013 at 8:47pm*

**Math-Trigonometry**

Show that if A, B, and C are the angles of an acute triangle, then tan A + tan B + tan C = tan A tan B tan C. I tried drawing perpendiculars and stuff but it doesn't seem to work? For me, the trig identities don't seem to plug in as well. Help is appreciated, thanks.
*Wednesday, November 6, 2013 at 5:21pm*

**physics**

A girl is skipping stones across a lake. One of the stones accidentally ricochets off a toy boat that is initially at rest in the water (see the drawing below). The 0.058-kg stone strikes the boat at a velocity of 15 m/s, 15° below due east, and ricochets off at a velocity...
*Monday, November 4, 2013 at 8:41pm*

**Physics**

The drawing shows two crates that are connected by a steel (Young's modulus 2.0 x 1011 N/m2) wire that passes over a pulley. The unstretched length of the wire is 1.8 m, and its cross-sectional area is 1.4 x 10-5 m2. The pulley is frictionless and massless. When the crates...
*Saturday, October 26, 2013 at 10:14pm*

**inf103**

Give an explanation of why each makes a mistake in drawing the conclusion it does. Review your classmates’ examples and see if they, in fact, commit the fallacy identified.
*Thursday, October 17, 2013 at 3:50am*

**Physics**

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 471 N walk on the overhanging part of the plank before it just begins to tip?
*Wednesday, October 16, 2013 at 11:36pm*

**physics**

In an automatic clothes dryer, a hollow cylinder moves the clothes on a vertical circle (radius r = 0.36 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 è ...
*Friday, October 11, 2013 at 9:25pm*

**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 0.94, determine ...
*Friday, October 11, 2013 at 5:06pm*

**physics**

The drawing shows a wire tooth brace used by orthodontists. The topmost tooth is protruding slightly, and the tension in the wire exerts two forces vector T and vector T ' on this tooth in order to bring it back into alignment. If the forces have the same magnitude of 24.0...
*Friday, October 11, 2013 at 4:53pm*

**Physics**

The helicopter in the drawing is moving horizontally to the right at a constant velocity. The weight of the helicopter is W = 59000 N. The lift force vector L generated by the rotating blade makes an angle of 21.0° with respect to the vertical.
*Friday, October 11, 2013 at 4:45pm*

**statistics**

6. Out of eight numbers, what is the probability of drawing a two on the first draw and a three on the second draw using sampling with replacement?
*Thursday, October 10, 2013 at 10:41pm*

**Math**

A wire that weighs 9 ounces per meter is stretched from point D to point B. Another wire is stretched from point B to point A that weighs 8 ounces per meter. If you know the total weight of the two wires is 197 ounces, how far is it from point B to C? *On my homework, there is...
*Wednesday, October 9, 2013 at 7:02pm*

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