Saturday

May 23, 2015

May 23, 2015

**Statistics**

A school is running a raffle. There are 100 tickets, of which 3 are winners. You can assume that tickets are sold by drawing at random without replacement from the available tickets. Teacher X buys 10 raffle tickets, and so does Teacher Y. Find the chance that one of those two...
*Thursday, April 25, 2013 at 5:05pm*

**Math**

Tammy drew a scale drawing of a house. The scale she used was 14 millimeters = 5 meters. The actual length of the garage is 15 meters. How long is the garage in the drawing?
*Thursday, April 25, 2013 at 12:53pm*

**math**

IN a scale drawing each side of a pentagon is 1.9 cm long. what is the perimeter of the actual object when the scale drawing is 1 cm=6.5
*Wednesday, April 24, 2013 at 3:01pm*

**physics**

The drawing shows three energy levels of a laser that are involved in the lasing action. These levels are analogous to the levels in the Ne atoms of a He-Ne laser. The E2 level is a metastable level, and the E0 level is the ground state. The difference between the energy ...
*Tuesday, April 23, 2013 at 6:42pm*

**Algebra**

As a promotion, a store draws the name of a customers each week. The prize is a coupon for the store. If winner is not present at drawing, he cannnot claim the prize and the amount of the coupon increases for the next weeks drawing. the function f(x)= 20(1.2)to the x power, ...
*Sunday, April 21, 2013 at 1:29pm*

**Math (Statistics)**

Two Cards are drawn without replacement from a deck of 52 cards. What are the odds in favor of drawing two honour cards (A,K,Q,J,10)?
*Sunday, April 21, 2013 at 11:47am*

**Physics**

A mass of 0.475 kg, on a frictionless table, is attached to a string which passes through a hole in the table. The hole is at the center of a horizontal circle in which the mass moves with constant speed. The radius of the circle is 0.510 m and the speed of the mass is 13.0 m/...
*Thursday, April 18, 2013 at 10:03pm*

**Math**

A floor plan has a scale of 1/4 in : 5 ft. Find the length on the drawing for an actual length of 60 ft.
*Wednesday, April 17, 2013 at 8:26pm*

**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 39.6 m. Neglect friction and air resistance. What must be the height h of the first hill ...
*Monday, April 15, 2013 at 9:06am*

**Chemistry**

What volume of H2(g), stored at 26°C at a pressure of 141 atm, would be needed to run an electric motor drawing a current of 8.4 A for 4.8 h?
*Sunday, April 14, 2013 at 10:04pm*

**Spanish**

4. Fill in the blank with a correct expression with tener to express the following. She is hot. Ella ________. Answer: ella tienen calor 5. Fill in the blank with a correct expression with tener to express the following. She is cold. Ella ________. Answer: ella tienen fr&...
*Friday, April 12, 2013 at 11:47am*

**statistics**

A pouch contains 59 green beads 78 red beads an 50 yellow beads how many blue beads should be added so that the probability of drawing a red bead is one third
*Thursday, April 11, 2013 at 10:30pm*

**English**

choose the phrase in which commas are used correctly to complete the sentence. I don’t know very much about _________. A.painting sculpture or drawing B.painting, sculpture, or drawing I think it is B...?
*Thursday, April 11, 2013 at 8:11pm*

**physics**

The auroral zone is defined by the last field line from the Earth that returns to the Earth. If the field of the earth extends no further than 10RE in the sunward direction, at what angle (in degrees) in the picture above does the last field line that returns to the earth on ...
*Wednesday, April 10, 2013 at 3:36pm*

**Physics**

When a converging lens is used in a camera (as in the first drawing), the film must be placed at a distance of 0.240 m from the lens to record an image of an object that is 4.30 m from the lens. The same lens is then used in a projector (as in the second drawing), with the ...
*Wednesday, April 10, 2013 at 3:33pm*

**Physics**

You are trying to photograph a bird sitting on a tree branch, but a tall hedge is blocking your view. However, as the drawing shows, a plane mirror reflects light from the bird into your camera. For what distance must you set the focus of the camera lens in order to snap a ...
*Wednesday, April 10, 2013 at 3:23pm*

**Chemistry **

Okay, I feel like this question should be really easy because it's a multiple choice question but how do you figure it out?? I'm completely drawing a blank. Consider the following equilibrium N2O4(g) <-> 2NO2(g) Kc = 4.8E-3 Which set of concentrations represents ...
*Tuesday, April 9, 2013 at 7:07pm*

**Math**

I think this is geometry: There is a small box with a black frame around it. Inside the box, at the bottom, is an 8. Inside the box, to the right, is a 2. It looks like they are showing Length & Height. On the outside of the box, under the 8, there is a 10. To the right, ...
*Monday, April 8, 2013 at 5:46pm*

**Physics**

A long, narrow rectangular loop of wire is moving toward the bottom of the page with a speed of 0.021 m/s (see the drawing). The loop is leaving a region in which a 2.7 T magnetic field exists; the magnetic field outside this region is zero. During a time of 3.0 s, what is the...
*Monday, April 8, 2013 at 4:22pm*

**Physics**

A loop of wire has the shape shown in the drawing. The top part of the wire is bent into a semicircle of radius r = 0.12 m. The normal to the plane of the loop is parallel to a constant magnetic field ( = 0°) of magnitude 0.85 T. What is the change ÄÖ in the ...
*Monday, April 8, 2013 at 3:58pm*

**Physics**

Determine the electric potential energy for the array of three charges shown in the drawing, relative to its value when the charges are infinitely far away. (Let q1 = 8.48 µC, q2 = 19.2 µC, and q3 = -16.1 µC.)
*Sunday, April 7, 2013 at 1:19pm*

**Physics**

The equation describing the (r, \theta ) coordinates of points along a single field line of a magnetic dipole is r=R_0 \sin ^2(\theta ) where \theta =0 is in the direction of the dipole moment and R_0 is a constant which is different for each field line. The question requires...
*Saturday, April 6, 2013 at 12:14am*

**Physics **

Determine the electric potential energy for the array of three charges shown in the drawing, relative to its value when the charges are infinitely far away. (Let q1 = 8.48 µC, q2 = 19.2 µC, and q3 = -16.1 µC.)
*Friday, April 5, 2013 at 9:09pm*

**Physics**

A long, narrow rectangular loop of wire is moving toward the bottom of the page with a speed of 0.021 m/s (see the drawing). The loop is leaving a region in which a 2.7 T magnetic field exists; the magnetic field outside this region is zero. During a time of 3.0 s, what is the...
*Thursday, April 4, 2013 at 12:48am*

**physics**

A copper cube, 0.31 m on a side, is subjected to two shearing forces, each which has a magnitude F = 6.40 106 N (see the drawing). Find the angle θ (in degrees), which is one measure of how the shape of the block has been altered by shear deformation.
*Wednesday, April 3, 2013 at 5:01pm*

**math**

A rectangular room has an area of 120ft squared. Marge drew a scale drawing of the pool using the scale 1.5cm=2ft. What was the area of the scale drawing? a) 213.3cm2 b) 67.5cm2 c)53.3cm2 d)1.5cm2 I don't think any of the choices match the answer (90cm2)?
*Tuesday, April 2, 2013 at 3:35pm*

**math**

a bag of marbles contains 5 green 4 red and 6 yellow what is la probability of drawing 2 yellow with replacement.
*Monday, April 1, 2013 at 6:33pm*

**Physics**

The drawing shows a sulfur dioxide molecule. It consists of two oxygen atoms and a sulfur atom. A sulfur atom is twice as massive as an oxygen atom. Using this information and the data provided in the drawing, find (a) the x coordinate and (b) the y coordinate of the center of...
*Monday, April 1, 2013 at 3:10pm*

**Quantitative Analysis**

Using Equations Word-process the following five equations: Using Drawing Tool
*Saturday, March 30, 2013 at 4:48pm*

**Statistics**

A standard deck of 52 playing cards is composed of 4 suits. Each mix contains 13 cards. Jacks, Queens, and Kings are considered face cards. Assume three cards are selected without replacement. Calculate the probability of drawing two hearts, followed by a spade.
*Tuesday, March 26, 2013 at 7:59pm*

**Physics**

The power radiated by the sun is 3.90 1026 W. The earth orbits the sun in a nearly circular orbit of radius 1.50 1011 m. The earth's axis of rotation is tilted by 27° relative to the plane of the orbit (see the drawing), so sunlight does not strike the equator ...
*Tuesday, March 26, 2013 at 4:32pm*

**physics**

A copper rod of length 0.83 m is lying on a frictionless table (see the drawing). Each end of the rod is attached to a fixed wire by an unstretched spring that has a spring constant of k = 73 N/m. A magnetic field with a strength of 0.17 T is oriented perpendicular to the ...
*Monday, March 25, 2013 at 7:45pm*

**Physics!**

The steel I-beam in the drawing has a weight of 9.03 × 103 N and is being lifted at a constant velocity. What is the tension in each cable attached to its ends? With both angles being 70 degrees
*Friday, March 22, 2013 at 10:07pm*

**Geometry - Circles and tangents**

Two circles of radius 1 are externally tangent at Q . Let PQ and QR be diameters of the two circles. From P a tangent is drawn to the circle with diameter QR , and from R a parallel tangent is drawn to the circle with diameter PQ . Find the distance between these two tangent ...
*Thursday, March 21, 2013 at 5:07pm*

**Physics**

A man drags a 71.5-kg crate across the floor at a constant velocity by pulling on a strap attached to the bottom of the crate. The crate is tilted 24.5° above the horizontal, and the strap is inclined 63.0° above the horizontal. The center of gravity of the crate ...
*Thursday, March 21, 2013 at 4:36pm*

**physics**

A man drags a 71.5-kg crate across the floor at a constant velocity by pulling on a strap attached to the bottom of the crate. The crate is tilted 24.5° above the horizontal, and the strap is inclined 63.0° above the horizontal. The center of gravity of the crate ...
*Thursday, March 21, 2013 at 4:24pm*

**Math**

Find the sample space. a Bag contains 4 marbles: one each of red, blue, green and violet. Two marbles are drawn from the bag. assume that the first marble is not put in the bag before drawing the second marblle
*Thursday, March 21, 2013 at 3:51pm*

**Physics**

A half-atwood machine is constructed, as shown in the drawing below. The table is NOT frictionless, M1 is 50 grams, and M2 is 30 grams. Mass M2 descends 32 cm in 18 seconds. Find the tension in the wire.
*Thursday, March 21, 2013 at 1:17pm*

**PHYSICS HELP!**

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 = -5 x 10-9 C placed at corner A and then at corner B. q1= 1.5e-9...
*Wednesday, March 20, 2013 at 9:31pm*

**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 = -5 x 10-9 C placed at corner A and then at corner B. q1= 1.5e-9...
*Wednesday, March 20, 2013 at 7:30pm*

**Math **

On a single draw from a shuffled deck of 52 cardsm find the probability in favor of drawing a club and a jack.
*Tuesday, March 19, 2013 at 8:28pm*

**Physics**

Three Point charges have equal magnitudes, two being positive and one negative. These charges are fixed to the corners of an equilateral triangle. As the drawing shows(a) The charge at any one corner experiences forces from the charges at the other corners. Do the individual ...
*Tuesday, March 19, 2013 at 7:21am*

**Physics**

Three Point charges have equal magnitudes, two being positive and one negative. These charges are fixed to the corners of an equilateral triangle. As the drawing shows(a) The charge at any one corner experiences forces from the charges at the other corners. Do the individual ...
*Tuesday, March 19, 2013 at 7:17am*

**geometry**

Carlos want to show a rectangle in his drawing. What dotes he have to do to the drawing below to make the rectangle a closed shape?
*Monday, March 18, 2013 at 3:51pm*

**math**

a bag contains lettered tiles, two for each letter of the alphabet. What is the probability of drawing a tile with the letter A? express the probability ratio as a fraction and as a decimal rounded to the nearest hundredth
*Sunday, March 17, 2013 at 9:03pm*

**French review**

Can someone please check if all of this is correct in french? Is everything conjugated correctly? Its in the imparfait. Quand j'etais jeune, J'ai la cheveux blonds. J'ai les yeux bleus. J'etais un petit diable. J'ai les cheveux courts. J'etais grand. J...
*Friday, March 15, 2013 at 10:55am*

**Math**

What is an easy drawing that has a lot of circles in it.
*Thursday, March 14, 2013 at 7:42pm*

**Math**

An architect is drawing a scale model of a new mall. The real mall will be 1800 feet long. The scale the architect is using is 1 inch is equal to 100 feet. How long will the model be?
*Monday, March 11, 2013 at 9:35pm*

**maths-mensuration**

The boy having a gold coin of diameter 2cm and thickess 2mm to a goldsmith for melting and drawing into a wire of diameter 1mm . the gold smith gave back a wire of gold of length 76cm with diameter 1mm. if the wastage allowed in melting could be a maximum of 5% of the total ...
*Sunday, March 10, 2013 at 11:36pm*

**physics**

The position vector r of a particle moving in the xy plane is r=2ti+2sin[(pi/4)t]j , with is in meters and t in seconds. (a) Calculate the x and y components of the particle's position at , and 4.0 s and sketch the particle's path in the plane for the interval . (b) ...
*Sunday, March 10, 2013 at 3:34pm*

**math**

kevin drew a scale drawing of his living room,The actual room is 16 feet long.If the room is 12 inches long in the drawing,what is the scale of the drawing?
*Wednesday, March 6, 2013 at 4:31pm*

**physics**

From the top of a tall building, a gun is fired. The bullet leaves the gun at a speed of 340 m/s, parallel to the ground. As the drawing shows, the bullet puts a hole in a window of another building and hits the wall that faces the window. (y = 0.56 m, and x = 7.0 m.) Using ...
*Tuesday, March 5, 2013 at 4:12pm*

**physics **

The drawing shows a ray of light traveling through three materials whose surfaces are parallel to each other. The refracted rays (but not the reflected rays) are shown as the light passes through each material. A ray of light strikes the a–b interface at a 50.0˚ ...
*Tuesday, March 5, 2013 at 9:15am*

**probability**

the probability of drawing a club from a deck of card is 1/4 what are the odds in favor of drawing a club from an ordinary deck of cards?
*Sunday, March 3, 2013 at 8:50pm*

**Physics**

A string has a linear density of 6.2 x 10-3 kg/m and is under a tension of 250 N. The string is 1.2 m long, is fixed at both ends, and is vibrating in the standing wave pattern shown in the drawing. Determine the (a) speed, (b) wavelength, and (c) frequency of the traveling ...
*Sunday, March 3, 2013 at 2:24pm*

**Physics**

A string has a linear density of 6.2 x 10-3 kg/m and is under a tension of 250 N. The string is 1.2 m long, is fixed at both ends, and is vibrating in the standing wave pattern shown in the drawing. Determine the (a) speed, (b) wavelength, and (c) frequency of the traveling ...
*Sunday, March 3, 2013 at 1:37pm*

**math**

what is the probability of drawing 5 queens from a standard deck of cards?
*Tuesday, February 26, 2013 at 11:35pm*

**Physics **

The drawing shows a skateboarder moving at 5.40 m/s along a horizontal section of a track that is slanted upward by 48.9 ° above the horizontal at its end, which is 0.582 m above the ground. When she leaves the track, she follows the characteristic path of projectile ...
*Tuesday, February 26, 2013 at 3:58pm*

**Physics**

The wire in the drawing carries a current of 13 A. Suppose that a second long, straight wire is placed right next to this wire. The current in the second wire is 28 A. Use Ampere's law to find the magnitude of the magnetic field at a distance of r = 0.76 m from the wires ...
*Monday, February 25, 2013 at 5:28pm*

**Physics**

Find the current in the 10.0-Ù resistor in the drawing (V1 = 23.0 V and R1 = 21.0 Ù). A
*Sunday, February 24, 2013 at 10:43pm*

**math**

I dontunderstand this question can you please help me. "Explain why 3 separate lines can all be parallel to each other,but 3 separate lines cannot all be perpendicular to each other. Use a drawing to show your answer."
*Sunday, February 24, 2013 at 7:53pm*

**Physics**

In the drawing below, R1 has a resistance of 6.2 Ù and R2 has a resistance of 2.6-Ù. Determine the current (magnitude and direction) in the 6.2 and 2.6-Ù resistors in the drawing.
*Sunday, February 24, 2013 at 3:48pm*

**Math**

A Scale Drawing of a rectangular field is 10 centimeters by 8.5 centimeters. If the actual field has dimensions of 40 meters by 34 meters, which could be the scale used for the drawing?
*Sunday, February 24, 2013 at 2:30pm*

**physics**

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 the water at a speed of 18.0 m/s via ...
*Friday, February 22, 2013 at 2:39pm*

**Physics**

Determine the voltage across the 5.0-Ù resistor in the drawing.
*Monday, February 18, 2013 at 7:35pm*

**scale drawing**

1cm^2 ----
*Monday, February 18, 2013 at 1:17pm*

**Physics**

The drawing shows six point charges arranged in a rectangle. The value of q is 9.27 µC, and the distance d is 0.17 m. Find the total electric potential at location P, which is at the center of the rectangle.
*Monday, February 18, 2013 at 1:15pm*

**physics**

the ends of a light string are tied to two hooks A and Bin are ceiling which 100 cm apart horizontally,so that the length of string of string between hooks is 140 cm.A 650 g of mass is then attached by a second length of string to a point C on the first.80 cm from A,and hanged...
*Sunday, February 17, 2013 at 12:25pm*

**english**

theday i didnot win a price in drawing competition
*Saturday, February 16, 2013 at 1:33am*

**physics**

Each of the four circuits in the drawing consists of a single resistor whose resistance is either R or 2R, and a single battery whose voltage is either V or 2V. The unit of voltage in each circuit is V = 10 V and the unit of resistance is R = 8 Ω. Determine (a) the power ...
*Thursday, February 14, 2013 at 6:02am*

**math-probability**

A state lottery has a daily drawing to form a four-digit number. The digits 1 through 9 are randomly selected for each of the four digits. For each selection any one of the digits 1 through 9 are possible. What is the probability to the nearest hundredth of the four-digit ...
*Wednesday, February 13, 2013 at 10:27pm*

**Physics**

Two horizontal forces, F1-> and F2-> , are acting on a box, but only F1->is shown in the drawing. F2-> can point either to the right or to the left. The box moves only along the x axis. There is no friction between the box and the surface. Suppose that F1-> = +8...
*Wednesday, February 13, 2013 at 7:57pm*

**Algebra**

On a 30 day calendar which begins on a Wednesday and ends on a Thursday, what is the probability in a random drawing that the date would be a Monday?
*Tuesday, February 12, 2013 at 1:04am*

**Physics**

A car travells 20 km due north and then on a bearing of 90 degrees for 12km. Use a scale drawing.
*Monday, February 11, 2013 at 1:31pm*

**physics**

A string has a linear density of 8.1 x 10-3 kg/m and is under a tension of 200 N. The string is 2.9 m long, is fixed at both ends, and is vibrating in the standing wave pattern shown in the drawing. Determine the (a) speed, (b) wavelength, and (c) frequency of the traveling ...
*Monday, February 11, 2013 at 11:03am*

**Geometry**

URGENT PLEASE HELP please help me understand how to draw a net, am i supposed to memorize these or is there a method for drawing nets for different shapes.
*Sunday, February 10, 2013 at 7:51pm*

**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 = -5 x 10-9 C placed at corner A and then at corner B
*Sunday, February 10, 2013 at 5:18pm*

**physics- vertical circular motion**

For the normal force in the drawing to have the same magnitude at all points on the vertical track, the stunt driver must adjust the speed to be different at different points. Suppose, for example, that the track has a radius of 2.06 m and that the driver goes past point 1 at ...
*Saturday, February 9, 2013 at 1:28pm*

**physics**

A football player runs the pattern given in the drawing by the three displacement vectors A, B, and C. The magnitudes of these vectors are A = 5.0 m, B= 15 m, and C = 18 m. Using the component method, find the magnitude and direction è of the resultant vector
*Friday, February 8, 2013 at 6:40pm*

**physics**

The drawing (not to scale) shows one alignment of the sun, earth, and moon. The gravitational force SM that the sun exerts on the moon is perpendicular to the force EM that the earth exerts on the moon. The masses are: mass of sun = 1.99 1030 kg, mass of earth = 5.98 1024 kg, ...
*Thursday, February 7, 2013 at 10:53pm*

**chemistry (please someone help)**

lewis acid or lewis base? then draw the product. H3C^+ :NH3 ----> I'm assuming H3C is the acid and :NH3 is the base? As for drawing out the product I dont know what to do.
*Thursday, February 7, 2013 at 5:10pm*

**chemistry**

lewis acid or lewis base? then draw the product. H3C^+ :NH3 ----> I'm assuming H3C is the acid and :NH3 is the base? As for drawing out the product I dont know what to do.
*Thursday, February 7, 2013 at 2:31pm*

**physics**

A rectangular loop of wire with sides 0.196 and 0.584 m lies in a plane perpendicular to a constant magnetic field (see part a of the drawing). The magnetic field has a magnitude of 0.723 T and is directed parallel to the normal of the loop's surface. In a time of 0.249 s...
*Wednesday, February 6, 2013 at 10:05pm*

**physic**

Craig launches the basketball at an angle of 65.0 degrees above the horizontal from a height of 2.00m above the floor.He imparts a speed of 9.70 m/s to the ball and leaves his hand a horizontal distance of 7.25 m from the center of the hoop if the hoop is 3.05 m above the ...
*Tuesday, February 5, 2013 at 10:41pm*

**Physics**

The drawing shows six point charges arranged in a rectangle. The value of q is 8.07 μC, and the distance d is 0.430 m. Find the total electric potential at location P, which is at the center of the rectangle.
*Tuesday, February 5, 2013 at 9:30pm*

**Physics**

The drawing shows six point charges arranged in a rectangle. The value of q is 8.07 μC, and the distance d is 0.430 m. Find the total electric potential at location P, which is at the center of the rectangle.
*Tuesday, February 5, 2013 at 9:22pm*

**Physics**

The drawing shows six point charges arranged in a rectangle. The value of q is 8.07 μC, and the distance d is 0.430 m. Find the total electric potential at location P, which is at the center of the rectangle.
*Tuesday, February 5, 2013 at 8:56pm*

**Math**

Can a triangle have parallel line segments. And is any line segment in the drawing parallel to the line segment AB? The figure is.a triangle
*Monday, February 4, 2013 at 3:28pm*

**Physic **

A block (mass 2.4 kg) is hanging from a massless cord that is wrapped around a pulley -3 2 (moment of inertia of the pulley = 1.3 x 10 kg·m ), as the drawing shows. Initially the pulley is prevented from rotating and the block is stationary. Then, the pulley is allowed ...
*Monday, February 4, 2013 at 2:03pm*

**Geometry-8th gr**

Find KN and LM. In triangle LKM, angle L is bisected. Line segment LK is 11, line segment KN is x-4, line segment NM is 5.4, and line segment LM is 2x + 1.3 (there is a drawing of this triangle) Thanks.
*Friday, February 1, 2013 at 5:48pm*

**Geometry**

Find KN and LM. In triangle LKM, angle L is bisected. Line segment LK is 11, line segment KN is x-4, line segment NM is 5.4, and line segment LM is 2x + 1.3 (there is a drawing of this triangle) Thanks.
*Friday, February 1, 2013 at 5:30pm*

**Physics**

A mountain-climbing expedition establishes two intermediate camps, labeled A and B in the drawing, above the base camp. What is the magnitude Δr of the displacement between camp A and camp B?
*Thursday, January 31, 2013 at 2:42pm*

**Physics**

A small plastic ball with a mass of 6.80 10-3 kg and with a charge of +0.161 µC is suspended from an insulating thread and hangs between the plates of a capacitor (see the drawing). The ball is in equilibrium, with the thread making an angle of 30.0° with respect to ...
*Tuesday, January 29, 2013 at 3:48am*

**Physics**

A small plastic ball with a mass of 6.80 10-3 kg and with a charge of +0.161 µC is suspended from an insulating thread and hangs between the plates of a capacitor (see the drawing). The ball is in equilibrium, with the thread making an angle of 30.0° with respect to ...
*Tuesday, January 29, 2013 at 3:47am*

**Physics PLEASE HELP ASAP :)**

A small spherical insulator of mass 8.96 10-2 kg and charge +0.600 μC is hung by a thread of negligible mass. A charge of −0.900 μC is held 0.150 m away from the sphere and directly to the right of it, so the thread makes an angle θ with the vertical (see ...
*Monday, January 28, 2013 at 11:26pm*

**Science 8R - HELP!**

any drawing?? a simple rube goldberg diagram that shows six simple machines i need it for my project
*Monday, January 28, 2013 at 8:23pm*

**physics**

Both drawings show the same square, each of which has a side of length L = 0.86 m. An observer O is stationed at one corner of each square. Two loudspeakers are located at corners of the square, as in either drawing 1 or drawing 2. The speakers produce the same single-...
*Monday, January 28, 2013 at 6:54am*

**Math**

two cards are drawn from a deck of cards. Once a card is drawn, it is not replaced. Find the probability of drawing a queen followed by a king.
*Sunday, January 27, 2013 at 9:03pm*

**art**

1. This occurs when an animal, object, or idea is given human form or characteristics. (1 point) literalism symbolism personification allusion 2. This occurs when you make reference to a well-known character, person, place, or event from life or literature. (1 point) ...
*Wednesday, January 23, 2013 at 11:35pm*

**math**

a plane flies at 430mph the bearing from Paris to Moscow is 78drgrees and the distance is 1800 mi if the wind is blowing 65mph at 340degrees what heading will take you from Paris to Moscow and how long will it take? include drawing and trip back
*Wednesday, January 23, 2013 at 12:40pm*