Friday

November 27, 2015
**Physics**

Three charges are located along the x axis as shown in the drawing. The mass of the -1.2 uC is 4.0×10^-9 kg. Determine the magnitude and direction of the acceleration of the -1.2 uC charge when it is allowed to move if the other two charges remain fixed. I need help ...
*Wednesday, November 25, 2015 by John*

**geometry**

Please respond to the following essay question: Draw and label 2 parallel lines as line m and line n. Add a transversal to your drawing and label it line p. Label all of the angles formed as #1-8. Use your drawing to respond to the following: a) Name four pairs of ...
*Monday, November 23, 2015 by nariah*

**Discrete**

When drawing a card from a 52 card deck, what is the probability that you draw a diamond or a number card between 32 and 8 inclusive?
*Wednesday, November 18, 2015 by Trish*

**Language Arts**

Read the definition. Then match it to the correct plot element. the high point, or turning point, in the action of the plot (1 point) • rising action • climax • falling action • resolution ** 1 Chris and Taylor have been neighbors for years. During the ...
*Wednesday, November 18, 2015 by Eva Jane*

**Physics**

Starting with an initial speed of 3.86 m/s at a height of 0.480 m, a 1.78-kg ball swings downward and strikes a 4.75-kg ball that is at rest, as the drawing shows. (a) Using the principle of conservation of mechanical energy, find the speed of the 1.78-kg ball just before ...
*Tuesday, November 17, 2015 by Hannah*

**Geometry**

You find an old scale drawing of your home,but the scale has faded and you cannot read it. How can you find the scale of the drawing?
*Tuesday, November 17, 2015 by RONDA*

**scale drawing**

given that the scale on a map is 1:0000 (a)calculate the actual distance between 2 points if the distance an map is 6.5cm (b)calculate the distance on the map that will represent an actual distance of 45km
*Tuesday, November 17, 2015 by Anonymous*

**maths**

there are 20 apples and 15 oranges in a bin.if some apples are removed from the bin so that the probability of randomly drawing an apple becomes 2/5.how many apples must be removed from the bin
*Monday, November 16, 2015 by rohit*

**math**

The area of a square floor on a scale drawing is 100 square centimeters and the scale of the drawing is 1 centimeter:2ft. What is the area of the actual floor? What is the ratio of the area in the drawing to the actual area?
*Monday, November 16, 2015 by Brooke*

**Physics**

A copper (shear modulus 4.2 x 1010 N/m2) cube, 0.324 m on a side, is subjected to two shearing forces, each of magnitude F = 6.93 x 10 5 N (see the drawing). Find the angle (in degrees), which is one measure of how the shape of the block has been altered by shear deformation.
*Saturday, November 14, 2015 by Kevin*

**PHYSICS**

The drawing shows a collision between two pucks on an air-hockey table. Puck A has a mass of 0.0280 kg and is moving along the x axis with a velocity of +6.64 m/s. It makes a collision with puck B, which has a mass of 0.0560 kg and is initially at rest. The collision is not ...
*Thursday, November 12, 2015 by Anonymous*

**Art help!**

8. In the painting Zues by David H. what did this artist experiment with to create the drawing of Zues? 1. Materials 2.critique guidelines 3.art styles 4.politicaal cartoons
*Tuesday, November 10, 2015 by reality check*

**physics**

The drawing shows a skateboarder moving at 6.88 m/s along a horizontal section of a track that is slanted upward by 37.3 ° above the horizontal at its end, which is 0.741 m above the ground. When she leaves the track, she follows the characteristic path of projectile ...
*Monday, November 9, 2015 by John*

**Physics**

A "swing" ride at a carnival consists of chairs that are swung in a circle by 11.5 m cables attached to a vertical rotating pole, as the drawing shows. Suppose the total mass of a chair and its occupant is 204 kg. (a) Determine the tension in the cable attached to ...
*Sunday, November 8, 2015 by Hannah*

**Organic Chemistry 2**

What is the impurity that must be removed from the benzaldehyde reagent before it can be used in this experiment? this is from are Benzil lab in this lab, benzoin condensation of benzaldehyde will be carried out with a biological coenzyme, thiamine hydrochloride, as the ...
*Sunday, November 8, 2015 by John*

**Math**

Drawing a least one king when you draw a card from a standard deck 8 times (replacing the card each time you draw, so there are always 52 cards in the deck) P(at least one king in 8 attempts)= [P(1 king + 2 kings + 3 kings + 4 kings]^8 = 1/52 + 2/52 + 3/52 + 4/52 = 10/52^8 Not...
*Saturday, November 7, 2015 by Ann*

**math**

The scale drawing of a rectangular room will be enlarged by a scale factor of 4 to create the actual room. The actual area of the room will be 150 square feet. Which expression finds the area of the scale drawing?
*Thursday, November 5, 2015 by Anonymous*

**ART CHECKING!!! PLEASE CHECK IT!!! :(**

1. How has the artist used value in this painting?(Adoration of the Shepherds by Nicolaes Maes) A. The background is lighter than the foreground to draw the viewer's eye. B. The artist did not use value in this painting. C. The subject is lighter than the background to ...
*Thursday, November 5, 2015 by OHI*

**technical drawing**

construct a triangle ABC with AB=70MM,BC=90MM,AC=120
*Thursday, November 5, 2015 by alonge*

**PHYSICS**

A copper (shear modulus 4.2 x 1010 N/m2) cube, 0.248 m on a side, is subjected to two shearing forces, each of magnitude F = 3.84 x 10 6 N (see the drawing). Find the angle (in degrees), which is one measure of how the shape of the block has been altered by shear deformation.
*Wednesday, November 4, 2015 by Anonymous*

**help please english**

1. Read the definition. Then match it to the correct plot element. the high point, or turning point, in the action of the plot (1 point) • rising action • climax • falling action • resolution 1 Chris and Taylor ...
*Tuesday, November 3, 2015 by abdel1233*

**science**

A scenery in your drawing room has height h and is hung in the wall so that its lower edge is at a distance d above the eye of an observer. How far from the wall should the observer stand to get the best view?
*Saturday, October 31, 2015 by sonam*

**science**

A scenery in your drawing room has height h and is hung in the wall so that its lower edge is at a distance d above the eye of an observer. How far from the wall should the observer stand to get the best view?
*Saturday, October 31, 2015 by sonam*

**Physics**

The steel I-beam in the drawing has a weight of 5.22 × 103 N and is being lifted at a constant velocity. What is the tension in each cable attached to its ends?
*Friday, October 30, 2015 by Erik*

**Physics**

A 27.0-kg block is resting on a flat horizontal table. On top of this block is resting a 13.0-kg block, to which a horizontal spring is attached, as the drawing illustrates. The spring constant of the spring is 310 N/m. The coefficient of kinetic friction between the lower ...
*Tuesday, October 27, 2015 by Rupika*

**ALGEBRA**

DRAWING A DIAGRAM:THE THEATER HAS 30 ROWS OF 25 SEATS. IF 150 OF THE SEATS ARE TAKEN HOW MANY ARE EMPTY
*Tuesday, October 27, 2015 by JOANN*

**Math**

Mason is an architect and is drawing the plans for a room addition for a client. If the shape of the room is a cube, what is the volume in cubic feet if the length is 23 ft? A.529 B.1,024 C.12,167 D.32, 768 Is the answer A?
*Monday, October 26, 2015 by Its Me*

**math**

a scale drawing has a scale of 1cm:3m explain how the scale can be used to find the actual distance between objects in the drawing
*Thursday, October 22, 2015 by dj *

**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...
*Thursday, October 22, 2015 by Shalee ^~^*

**economics**

Think about how each scenario would affect the price of khaki pants. a.A new technology reduces the time it takes to make a pair of khaki pants. b.The price of the cloth used to make khaki pants falls. c.The wage rate paid to garment workers increases. d.The price of jeans ...
*Sunday, October 18, 2015 by lynn*

**physics**

The drawing shows four point charges. The value of q is 1.4 μC, and the distance d is 0.86 m. Find the total potential at the location P. Assume that the potential of a point charge is zero at infinity
*Friday, October 16, 2015 by Sarah*

**ART HELP!**

Please help me with this: What step did the artist clearly use when drawing a two-point perspective image? A. A vanishing point *** B. Only orthogonal lines C. Imagery in the backgrounds larger than in the foreground. D. Imagery in the foreground lighter than in the background.
*Thursday, October 15, 2015 by HelpME:(!!!*

**PHYSICS**

On a banked race track, the smallest circular path on which cars can move has a radius of 114 m, while the largest has a radius of 170 m, as the drawing illustrates. The height of the outer wall is 17.5 m. Find (a) the smallest and (b) the largest speed at which cars can move ...
*Wednesday, October 14, 2015 by Anonymous*

**Physics**

On a banked race track, the smallest circular path on which cars can move has a radius of 114 m, while the largest has a radius of 170 m, as the drawing illustrates. The height of the outer wall is 17.5 m. Find (a) the smallest and (b) the largest speed at which cars can move ...
*Wednesday, October 14, 2015 by Anonymous*

**Physics**

A golf ball strikes a hard, smooth floor at an angle of 20.7 ° and, as the drawing shows, rebounds at the same angle. The mass of the ball is 0.0528 kg, and its speed is 40.2 m/s just before and after striking the floor. What is the magnitude of the impulse applied to the ...
*Wednesday, October 14, 2015 by John*

**Math**

These marbles are placed in a bag and two of them are randomly drawn. What is the probability of drawing 2 pink marbles if the first one is placed back in the bag before the second draw? There are 3 pinks, 2 yellows, and 5 blues.
*Tuesday, October 13, 2015 by Lindsay*

**math**

There are 3 pink marbles, 2 yellow marbles, and 5 blue marbles in a bag. What is the probability of drawing 2 pink marbles?
*Tuesday, October 13, 2015 by Laura*

**math**

these marbles are placed in a bag and two of them are randomly drawn what is the probability of drawing two pink marbles if the first one is placed back in the bag before the second draw the bag has 10 marbles.2 yellow.3 pink.5 blue
*Tuesday, October 13, 2015 by Lindsay*

**math**

these marbles are placed in a bag and two of them are randomly drawn what is the probability of drawing two pink marbles if the first one is placed back in the bag before the second draw thebag has 10 marbles.2 yellow.3 pink.5 blue
*Tuesday, October 13, 2015 by Lindsay*

**math**

these marbles are placed in a bag and two of them are randomly drawn what is the probability of drawing two pink marbles if the first one is placed back in the bag before the second draw thebag has 10 marbles.2 yellow.3 pink.5 blue
*Tuesday, October 13, 2015 by Anonymous*

**algebra**

the floor plan of a room has a scale of 2.5 in.:32ft. in the drawing,the length of the room is 8in.and the width of the room is 6 in. what is the perimeter of the actual room? i think is 392 ft or help
*Monday, October 12, 2015 by pizza7*

**maths**

marc is looking at the plans for his new garage. the length of the garage is 8 metres. the scale of the drawing is 1:50 what will the length of the garage be on the drawing? which would be the most simplistic form for me to work this out, i really struggle ??
*Saturday, October 10, 2015 by josh*

**English**

Valmy gets a paper from the safe - a paper with a drawing on it. ========================= Is 'a paper' right? Don't we have to use 'a piece of paper'? A piece of paper with a drawing on it?
*Saturday, October 10, 2015 by rfvv*

**math**

A scale drawing is made to enlarge a picture by using a scale factor of 3. The enlarged picture is 9 inches by 15 inches. What are the dimensions of the original picture?
*Thursday, October 8, 2015 by Anonymous*

**physics**

The steel I-beam in the drawing has a weight of 1.53 × 103 N and is being lifted at a constant velocity. What is the tension in each cable attached to its ends?
*Wednesday, October 7, 2015 by Anonymous*

**Math**

Suppose you draw a card from an ordinary deck of playing cards What are the odds in favor of drawing a face card? b. What are the odds against drawing a face card?
*Wednesday, October 7, 2015 by kim*

**CHECK ANSWERS for geometry **

1. Why are points and lines hard to define? A point you can't move at all, a line you can only move back and forth in the same direction. Does drawing a point or a line accurately illustrate its characteristics? 2. What do we mean when we say a point exists in zero ...
*Tuesday, October 6, 2015 by Sue*

**Geometry**

1. Why are points and lines hard to define? A point you can't move at all, a line you can only move back and forth in the same direction. Does drawing a point or a line accurately illustrate its characteristics? 2. What do we mean when we say a point exists in zero ...
*Tuesday, October 6, 2015 by Sue*

**Geometry**

1. Why are points and lines hard to define? A point you can't move at all, a line you can only move back and forth in the same direction. Does drawing a point or a line accurately illustrate its characteristics? 2. What do we mean when we say a point exists in zero ...
*Tuesday, October 6, 2015 by Sue*

**Algebra **

The Height Of A Building In A Architectural Drawing Is 10 In. Its Actual Height Is 150 Ft. What Is The Scale Of The Drawing ?
*Tuesday, October 6, 2015 by Twanita *

**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 ...
*Tuesday, October 6, 2015 by Anonymous*

**Physics**

Two loudspeakers are mounted on a merry-go-round whose radius is 9.68 m. When stationary, the speakers both play a tone whose frequency is 132 Hz. As the drawing illustrates, they are situated at opposite ends of a diameter. The speed of sound is 343.00 m/s, and the merry-go-...
*Monday, October 5, 2015 by Anonymous*

**Algebra**

a). The length of the classroom is 30 ft. The length of the room on the scale drawing is 6 in. Is this correct? Explain why or why not. Michael has made a scale drawing of his classroom. The scale for his drawing is 0.5 in. : 3 ft. b). One of the student tables is 6 ft long. ...
*Sunday, October 4, 2015 by Alyssa*

**AP Physics**

Question Part Points Submissions Used The drawing below shows a person who, starting from rest at the top of a cliff, swings down at the end of a rope, releases it, and falls into the water below. There are two paths by which the person can enter the water. Suppose he enters ...
*Thursday, October 1, 2015 by Anonymous*

**physics**

Only two forces act on an object (mass=4.41 kg), as in the drawing. Find (a) the magnitude and (b) the direction (relative to the x axis) of the acceleration of the object.
*Thursday, October 1, 2015 by jordan*

**Physics**

A "swing" ride at a carnival consists of chairs that are swung in a circle by 17.4 m cables attached to a vertical rotating pole, as the drawing shows. Suppose the total mass of a chair and its occupant is 291 kg. (a) Determine the tension in the cable attached to ...
*Wednesday, September 30, 2015 by Anonymous*

**physics**

10. The drawing shows a baggage carousel at an airport. Your suitcase has not slid all the way down the slope and is going around at a constant speed on a circle (r = 12.4 m) as the carousel turns. The coefficient of static friction between the suitcase and the carousel is 0....
*Wednesday, September 30, 2015 by johnny*

**physic **

A swing ride at a carnival consists of chairs that are swung in a circle by 11.0-m cables attached to a vertical rotating pole, as the drawing shows. Suppose the total mass of a chair and its occupant is 164 kg, the angle θ = 58°. Find the speed of the chair.
*Monday, September 28, 2015 by john bear*

**Quick English check**

Please check these sentences and correct me if I'm wrong, thank you! 1. A 'MYRIAD' of people are interested in auditioning for the reality tv show, but only a handful will be afforded the opprutunity. 2. The villain wants the world to tremble at the 'MERE' ...
*Wednesday, September 23, 2015 by Hailey*

**Math**

If 2 inches represents 8 ft on a scale drawing, how many feet does 6 inches represent? Inches=2 inches=6 feet= 8feet=____
*Wednesday, September 23, 2015 by Amy*

**stats**

A box contains 16 white and 16 black marbles. Construct a sample space for the experiment of randomly drawing out, with replacement, three marbles in succession and noting the color each time. (To draw “with replacement” means that each marble is put back before the ...
*Tuesday, September 22, 2015 by Hailey*

**Drawing**

Inscribe a regular octagon in a circle of diameter 80mm
*Monday, September 21, 2015 by Nikel*

**physics **

Vector A has magnitude 8.0 units at an angle of 60o from the x-axis. Vector B has magnitude 6.0 at an angle of -30o from the x-axis. Find the magnitude and direction of vector C = A + B I tried actually drawing it to see if it would help but it didn't I'm pretty sure ...
*Saturday, September 19, 2015 by JOHN SMITH*

**Physics**

A child in danger of drowning in a river is being carried downstream by a current that has a speed of 2.60km/h. The child is 0.615km from shore and 0.815km upstream of a boat landing when a rescue boat sets out. If the boat proceeds at its maximum speed of 21.2km/h relative to...
*Friday, September 18, 2015 by Lash*

**Physics**

An aerialist on a high platform holds onto a trapeze attached to a support by an 9.8-m cord. (See the drawing.) Just before he jumps off the platform, the cord makes an angle of 37° with the vertical. He jumps, swings down, then back up, releasing the trapeze at the ...
*Thursday, September 17, 2015 by Kevin*

**Art**

Which element of art is most evident in the drawing of these buildings? Through the use of line, this artist was able to create _ The viewer's attention is directed toward the man's face by Which element helps to give the illusion of great height and reaching upwards?
*Thursday, September 17, 2015 by Schooltastic!*

**PHYSICS**

An aerialist on a high platform holds onto a trapeze attached to a support by an 7.9-m cord. (See the drawing.) Just before he jumps off the platform, the cord makes an angle of 37° with the vertical. He jumps, swings down, then back up, releasing the trapeze at the ...
*Wednesday, September 16, 2015 by Anonymous*

**Physics**

The magnitudes of the four displacement vectors shown in the drawing are A = 14.0 m, B = 11.0 m, C = 12.0 m, and D = 25.0 m. Determine the (a) magnitude and (b) direction for the resultant that occurs when these vectors are added together. Specify the direction as a positive (...
*Wednesday, September 16, 2015 by Rachel*

**Math**

Your a 7th grade math teacher and you want to create an experiment for your class with red, yellow and purple marbles in a bag. You want to theoretical probability of drawing a red marble to be 1/2, the theoretical probability of drawing a yellow to be 1/2, and the theoretical...
*Monday, September 14, 2015 by Anonymous*

**Physics**

"a vector r has a magnitude of 18 units and makes a 30 degree angle with respect to the x axis. find the vector components of r using a protractor and some graph paper to verify your answer by drawing r and measuring the length of the lines representing its components.&...
*Monday, September 14, 2015 by Alyssa*

**grammer**

How children's drawings develop (1. is, are) a fascinating subject. For example, a two-year-old and sometimes even a three-year-old (2. does not, do not) create any recognizable forms when scribbling, and most of the children recently studied by a child psychologist (3. ...
*Sunday, September 13, 2015 by miguel*

**Physics**

The three displacement vectors in the drawing have magnitudes of A = 5.48 m, B = 5.23 m, and C = 4.75 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 ...
*Wednesday, September 9, 2015 by joe*

**math**

maria has a scale drawing of her bedroom so she can plan where to put her new furniture. The scale used is 1 inch= 3 feet. The dimensions if her room on the scale drawing are 4 inches by 4.5 inches. What is the actual area of her room?
*Wednesday, September 9, 2015 by Yanina*

**Math**

Charlie has a drawing of his bedroom that measures 8 1/2 inches long by 7 1/4 inches wide. If the real room measures 15 ft in length, what is the rooms width?
*Tuesday, September 8, 2015 by Anne*

**Physics**

Prairie dogs are burrowing rodents. They do not suffocate in their burrows, because the effect of air speed on pressure creates sufficient air circulation. The animals maintain a difference in the shapes of two entrances to the burrow, and because of this difference, the air...
*Monday, September 7, 2015 by Help*

**math**

On a graph paper draw a rough sketch of the straight lines whose equation are x-y=2 and x+y=1.Estimate the point at which they meet .check your result by solving the two equations simultaneously.(show the drawing and checking)
*Monday, September 7, 2015 by macpherson emily*

**math**

Mrs. Adrian bought 30 yards of dirt for her garden in her backyard. she hired 4 girls to spread the dirt. if the girls divided the dirt up evenly, how many yards did each girl need to spread in Mrs. Adrian's garden? please model drawing my answer I will divide 30/4 so the ...
*Thursday, September 3, 2015 by bandar*

**math**

Mrs. Adrian bought 30 yards of dirt for her garden in her backyard. she hired 4 girls to spread the dirt. if the girls divided the dirt up evenly, how many yards did each girl need to spread in Mrs. Adrian's garden? please model drawing my answer is: 15
*Thursday, September 3, 2015 by bandar*

**Math **

Heather has a bag with 16 red blocks, 11 blue blocks, 9 purple blocks, 15 green blocks, 8 yellow blocks, and 20 orange blocks. If she was to draw a block out of the bag, record the color and replace the block back in the bag, repeating 500 times, what would most likely be the...
*Wednesday, September 2, 2015 by Kaleem*

**Math**

Heather has a bag with 16 red blocks, 11 blue blocks, 9 purple blocks, 15 green blocks, 8 yellow blocks, and 20 orange blocks. If she was to draw a block out of the bag, record the color and replace the block back in the bag, repeating 500 times, what would most likely be the...
*Wednesday, September 2, 2015 by Kaleem*

**Math**

Heather has a bag with 16 red blocks, 11 blue blocks, 9 purple blocks, 15 green blocks, 8 yellow blocks, and 20 orange blocks. If she was to draw a block out of the bag, record the color and replace the block back in the bag, repeating 500 times, what would most likely be the...
*Wednesday, September 2, 2015 by Kaleem*

**physics**

The drawing shows an intravenous feeding. With the distance shown, nutrient solution (ñ = 1040 kg/m3) can just barely enter the blood in the vein. What is the gauge pressure of the venous blood? Express your answer in millimeters of mercury.
*Friday, August 28, 2015 by kate*

**math**

one digit from the number 9,848,778 is written on each of seven cards. What is the probality of drawing a card that shows s 9, 8, or 4?
*Wednesday, August 26, 2015 by jacqueline *

**mathematics**

one digit from the number 3,474,554 is written on each of seven cards. What is the probability of drawing a card that shows s 5?
*Wednesday, August 26, 2015 by jacqueline *

**MATH**

What are the odds in favor of randomly drawing the letter C from the letters in the word CANADIAN?The odds are from ____ to _____
*Sunday, August 23, 2015 by Bella*

**Social Studies**

Which of the following are impacts that the temperate climate has had on Georgia’s development? encouraging crops with longer growing seasons drawing immigrants from other locations encouraging tourism all of the above*** Is that correct?
*Wednesday, August 19, 2015 by Amber*

**Math **

(05.01)A scale drawing of a living room is shown below: A rectangle is shown. The length of the rectangle is labeled 3 inches. The width of the rectangle is labeled 5.5 inches. The scale is 1 to 30. What is the area of the actual living room in square feet? Round your answer ...
*Wednesday, August 19, 2015 by Anonymous*

**physics**

The brass bar and the aluminum bar in the drawing are each attached to an immovable wall. At 21.3 °C the air gap between the rods is 1.70 x 10-3 m. At what temperature will the gap be closed?
*Sunday, August 16, 2015 by victor*

**physics**

A football player runs the pattern given in the drawing by the three displacement vectors , , and . The magnitudes of these vectors are A = 4.00 m, B = 15.0 m, and C = 18.0 m. Using the component method, find the (a) magnitude and (b)direction of the resultant vector + + . ...
*Friday, August 14, 2015 by jacob*

**physics**

A helicopter flies over the arctic ice pack at a constant altitude, towing an airborne 99-kg laser sensor which measures the thickness of the ice (see the drawing). The helicopter and the sensor move only in the horizontal direction and have a horizontal acceleration of ...
*Friday, August 14, 2015 by sarah*

**physics**

As preparation for this problem, review Conceptual Example 10. The drawing shows two planes each dropping an empty fuel tank. At the moment of release each plane has the same speed of 105 m/s, and each tank is at the same height of 4.79 km above the ground. Although the speeds...
*Thursday, August 13, 2015 by annon*

**statistics**

Consider the events of drawing an ace, then draw another ace, followed by a queen, one at a time without replacement (from a standard deck of cards). What is the probability of drawing an ace, then another ace, then a queen? please show explanation
*Wednesday, August 12, 2015 by CJ*

**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 0.793, determine ...
*Wednesday, August 12, 2015 by ben*

**physics**

The drawing shows a wire tooth brace used by orthodontists. The top-most tooth is protruding slightly, and the tension in the wire exerts two forces, and , on this tooth in order to bring it back into alignment. If the forces have the same magnitude of 19.4 N, what is the ...
*Wednesday, August 12, 2015 by ben*

**Physics**

helicopter flies over the arctic ice pack at a constant altitude, towing an airborne 108-kg laser sensor which measures the thickness of the ice (see the drawing). The helicopter and the sensor move only in the horizontal direction and have a horizontal acceleration of ...
*Wednesday, August 12, 2015 by Ben*

**stastastics**

two balls are drawn in succession,without replacement, from the box containing 3 red and 2 white balls, what is the probability of drawing a white on the second draw?
*Tuesday, August 11, 2015 by yaregal*

**Physics**

he drawing shows two planes each dropping an empty fuel tank. At the moment of release each plane has the same speed of 185 m/s, and each tank is at the same height of 3.62 km above the ground. Although the speeds are the same, the velocities are different at the instant of ...
*Tuesday, August 11, 2015 by Cassie*

**physics**

The drawing shows a skateboarder moving at 6.87 m/s along a horizontal section of a track that is slanted upward by 51.9 ° above the horizontal at its end, which is 0.616 m above the ground. When she leaves the track, she follows the characteristic path of projectile ...
*Tuesday, August 11, 2015 by anonymous*

**physics**

A bicycle is rolling down a circular portion of a path; this portion of the path has a radius of 8.73 m. As the drawing illustrates, the angular displacement of the bicycle is θ = 0.979 rad. What is the angle (in radians) through which each bicycle wheel (radius = 0.320 m...
*Wednesday, August 5, 2015 by paul*

**math**

Missi designed a stained glass window and made a scale drawing using centimeters as the unit of measurement. She originally planned for the length of the window to be 44 in. but decided to change it to 48 in. If the length of the window in her scale drawing is 4 cm,what is the...
*Wednesday, July 22, 2015 by Lenord*