Thursday

January 19, 2017
**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 100 s per increment, and the scale for the velocity axis is 330 m/s per ...

*Thursday, February 12, 2015 by Cetris*

**Art - Drawing **

Can you give me some tips on how to draw graffiti (anything really)? I am good with drawing something but the thing is I have to look a picture to draw it. Its almost as if I don't have enough imagination. But since that's how I've been drawing, tips please?

*Wednesday, February 11, 2015 by Marina*

** Statistics**

Suppose we have yo estimate the average number of purchases in a given hour in a given hour at a convenient store. Using this example describe in your own words how you would go about this determining this average through: A.) Drawing a random sample B.) A Systematic sample C...

*Monday, February 9, 2015 by Phyiss*

**geom.**

Given a triangle ABC, draw straight lines from the vertex A to n points on the opposite side BC. (None of these n points can equal B or C.) Then do the same for the vertex B, drawing n lines from B to the side AC. Into how many parts do these 2n lines divide the interior of ...

*Sunday, February 8, 2015 by Ralph*

**physics**

The drawing shows a square, each side of which has a length of L = 0.250 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 = -7.00 x 10-9 C placed at corner A and then at corner B.

*Sunday, February 8, 2015 by ciaran*

**statistics**

Suppose we want to estimate the average number of purchases in a given hour in a local convenience store. Using this example describe in your own words how you would go about determining this average through: A.) Drawing a random sample: Drawing a random sample would be the ...

*Sunday, February 8, 2015 by slomo*

**PreCalculus **

Can someone help me answer this question, so I would know what to do for a question like this next time? Thank you! A box contains 10 red chips, 20 blue chips, and 30 green chips. If 5 chips are drawn from the box, find the probability of drawing a.) exactly 4 green b.) at ...

*Saturday, February 7, 2015 by Anonymous*

**Probability**

Can someone help me answer this question, so I would know what to do for a question like this next time? Thank you! A box contains 10 red chips, 20 blue chips, and 30 green chips. If 5 chips are drawn from the box, find the probability of drawing a.) exactly 4 green b.) at ...

*Saturday, February 7, 2015 by Anonymous*

**Chem/Hydrocarbons**

Determining and naming the unique isomers of a hydrocarbon? Please help!? Hey all. I am studying a petroleum fluids class and am having difficulty in understanding one topic. Specifically, in some cases we are asked to draw and name the unique isomers of a certain compound. ...

*Saturday, February 7, 2015 by Joe*

**math**

Draw a cookie that is divided into 2 equal parts.Write the fraction to go with your drawing.

*Tuesday, February 3, 2015 by nevaeh*

**Math**

1. If the point (-3,30) is on the graph y=(x-1)^2+14, where will the point be on y=(x-8)^2-6? I don't understand what this is asking and how I can find this. 2. A rental business charges $12 per canoe and averages 36 rentals a day. For every 50-cent increase in rental ...

*Sunday, January 25, 2015 by Wendy*

**ART Check**

Brooch of Henry Clay This brooch contains a miniature picture of american statesmen henry clay. likely owned by clay or his ancestors this brooch is valued for what reason a)scholastic value b)provenance c)cultural heritage d)market value A museum is building a collection of ...

*Thursday, January 22, 2015 by Logan*

**Math**

Without looking, George pulls socks from a drawer containing 2 white socks, 3 black socks, and 5 yellow socks. With each pulll, a sock is removed from the drawer and is not replaced. find the probability of drawing a yellow, black, and white sock in that order.

*Wednesday, January 21, 2015 by Meme*

**math **

Justin has a deck of cards with letters on them. The table below shows the results of justin randomly drawing a card,putting it back,shuffling the deck,and randomly drawing another card many times. Letter of card/frequency A/15 E/19 I/13 O/8 U/6

*Wednesday, January 21, 2015 by Mark mark*

**English**

Is drawing considered a physical challenge

*Tuesday, January 20, 2015 by Anonymous*

**trigonometry**

Umm..Im having trouble with solving word problems that involves application of solving right triangles, and also in bearing.. Well, particularly in the drawing/sketching, you know when I don't even know that the triangle described in the problem is not a right triangle ...

*Friday, January 16, 2015 by nutshell*

**Math**

A 120-ft long playground is just 15-in on the scale drawing.What is the scale on the scale drawing? How would you solve this question?

*Wednesday, January 14, 2015 by Alex*

**computer**

how can you use painting and drawing to make the leaners better understand mathematics?

*Wednesday, January 14, 2015 by selma*

**Physics**

A 4.00-g bullet is moving horizontally with a velocity vector v = 348 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface. Air resistance is negligible. ...

*Monday, January 12, 2015 by Anonymous*

**physics**

A golf ball strikes a hard, smooth floor at an angle of θ = 26.4Â° and, as the drawing shows, rebounds at the same angle. The mass of the ball is 0.047 kg, and its speed is 45 m/s just before and after striking the floor. What is the magnitude of the impulse ...

*Monday, January 12, 2015 by Anonymous*

**ENGLISH - GRAMMAR ????**

There was no space in the drawing room. - Drawing room - uncountable The sand on the beach was clean. beach - uncountable Ruman met with an accident. Accident - uncountable Are the above are correct?

*Monday, January 12, 2015 by Niya - *

**math**

In a scale drawing of a house, the living room is 1 in. long. The actual length is 24 ft. The actual width of the living room is 18 ft. The width on the drawing is __________ in. (Find the width on the drawing). Show your work in every step to receive full credit.

*Friday, January 9, 2015 by Taylor*

**polygons**

My daughters homework,Alphabet Polygons,her teacher gave a alphabet chart A-I first row, J-R second row, s-z third row the question 1. you can make 1 or 2 polygons of some of the letters by drawing just one more line segment, which letters are they>?

*Thursday, January 8, 2015 by Debbie*

**physics**

Two blocks are placed at the ends of a horizontal massless board, as in the drawing. The board is kept from rotating and rests on a support that serves as an axis of rotation. The block on the right has a mass of 5.4 kg. Determine the magnitude of the angular acceleration when...

*Tuesday, January 6, 2015 by genius girl *

**math**

if a wall in a 1/4 in. scale drawing is 6 in. tall, how tall is the actual wall? please help

*Tuesday, January 6, 2015 by anonymous*

**stats**

A jar contains 7 black balls and 25 red balls. You take 2 out without replacing them. Find a)the probability of drawing 2 red balls in a row, b) the probability of drawing a red ball, then a black ball, c) the probability that the two balls will be of different colors

*Thursday, December 18, 2014 by Sally*

**Math**

A bag contains 3 red marbles, 5 yellow marbles and 6 orange marbles. Three marbles are drawn and NOT replaced each time. Determine the probability of drawing three yellow marbles in a row. State whether the events are dependent or independent.

*Wednesday, December 17, 2014 by Jac*

**physics**

In the drawing, the weight of the block on the table is 428. N and that of the hanging block is 195. N. Ignore friction, the mass of the rope, and the mass of the pulley. Find the acceleration of the two block system in m/s2.

*Sunday, December 14, 2014 by Jill*

**English**

1) Drawing is very interesting subject. - intransitive 2) amal is adorable to his father - in. tran 3) A fisherman is a harworking man. - intransitive 4) Muhammed is not strong as his brother. Intransitive 5) There are many roses in my aunt's garden - Transitive 6) This ...

*Sunday, December 14, 2014 by # niya #*

**s**

What does it mean to tell what you see in a child drawing ?

*Friday, December 12, 2014 by Anonymous*

**Art-Painting**

Ms. Sue, How to draw the spring scenery? Or you can show me the website where can i find this drawing (including photos) Thank you

*Wednesday, December 10, 2014 by Jahanara*

**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, December 8, 2014 by lamaye*

**math**

An experiment consists of drawing one ball from a box containing 5 white balls numbered 1 through 5 and black balls numbered 6 through 10. Find the probability that a randomly selected ball is black and numbered 7.

*Monday, December 8, 2014 by trinx*

**Child Development **

Please Check my answers 1. A type of communication that isn't only about the present and that promotes higher level thinking such as planning and reminiscing is called A. child-child conversation. B. chanting. C. early production. D. decontextualized talk. ANSWER: A 2. ...

*Monday, December 8, 2014 by Danielle *

**math**

A scale drawing of your classroom is 4 inches by 6 inches. If one inch represents 8 feet, what is the actual size of your classroom? I think I know the answer, jst having trouble figuring out how to write it down & show it. I think it's 32 feet by 48 feet. Help! Thanks

*Monday, December 8, 2014 by Zion*

**Math**

how can I use a scale of 1/2in.:15 ft to reproduce a scale drawing of a soccer field?

*Saturday, December 6, 2014 by Amanda*

**Physics**

An object is placed 5 cm in front of a concave lens of focal length 7 cm. Find the image location by drawing a ray tracing diagram to scale. Verify your answer using the lens equation. I am confused on what numbers would be negative in my formula of 1/f=1/v+1/u.

*Friday, December 5, 2014 by Frank German*

**physics**

An object is placed 8 cm in front of a convex lens of focal length 6 cm. Find the image location by drawing a ray tracing diagram to scale. Verify your answer using the lens equation

*Thursday, December 4, 2014 by Frank German*

**Art Help!**

A sketch by Lauren S. Why did the artist choose to use shading in this drawing? A. To create an optical illusion B. To create a sense of realism C. To create Cubist drawing D. To create a sense of Imperssonism It is a drawing of a women that is laughing and she is made out of ...

*Thursday, December 4, 2014 by Callie*

**Probability MATH**

can someone please check my answers. 7. A married couple is expecting another child. They already have 3 boys. What are the chances of them having another boy? 1/4 8. After having had the four boys the couple is expecting another child. What is the chance of them having ...

*Tuesday, December 2, 2014 by Sarah*

**math**

The diagram uses a scale of 1/4in:30ft. Explain hoe to use the scale and scale drawing to find actual soccer field dimensions. Is the correct answer 1in.:120ft

*Tuesday, December 2, 2014 by Amanda*

**Physics**

The wheels, axle, and handles of a wheelbarrow weigh W = 65 N. The load chamber and its contents weigh WL = 538 N. The drawing shows these two forces in two different wheelbarrow designs. To support the wheelbarrow in equilibrium, the manâ€™s hands apply a ...

*Monday, December 1, 2014 by Jenna*

**Art Help Please!!!!!**

To create a portfolio of work, thsi artist would do all of the following except. The picture is of a robot in black and white. A. include more drawings of characters the artist has created to show creativity. B. include a variety of color schemes and designs to show diversity ...

*Tuesday, November 25, 2014 by Callie*

**Thermodynamics**

Drawing a blank studying last minute for an exam: when does a piston cylinder not follow the 2nd law of thermodynamics!!!!

*Tuesday, November 25, 2014 by Joe*

**physics**

A Venturi meter is a device for measuring the speed of a fluid within a pipe. The drawing shows a gas flowing at speed v2 through a horizontal section of pipe whose cross-sectional area is A2 = 0.0769 m2. The gas has a density of ρ = 1.30 kg/m3. The Venturi meter has a ...

*Saturday, November 22, 2014 by Archy*

**Math**

A tightrope walker attaches a cable to the roofs of two adjacent buildings. The cable is 23.5 m long. The angle of inclination of the cable is 13 degrees. The shorter building is 12.0 m high. What is the height of the taller building to the nearest tenth of a metre? I tried ...

*Friday, November 21, 2014 by Anonymous*

**math Help!!!!!!**

I have to make a scale drawing of my desk. What are the scaled measurements? My answer height is 55 1/8in width is 28 3/4in 55 1/8Ã·24=0.09 28 3/4Ã·24=2.29 Am I right?

*Wednesday, November 19, 2014 by callie*

**math Help!!!!!!**

I have to do a scale drawing of my dresser. The height is 51 1/8in the width is 42 1/2in. My scale is 24in=1 inch What are the scaled measurements?

*Wednesday, November 19, 2014 by callie*

**math Help!!!!!!**

I have to make a scale drawing of my bed. The actual dimensions are 60in*80in. What are the scale measurments? I don't understand how to do this.

*Wednesday, November 19, 2014 by callie*

**Math Help!!**

What is the actual measurments of your room? My answer Height= 10ft Width=9ft 6 in. What is the scale that you will use for your scale drawing? 24=1 inch What will the dimensions of your room be in your scale drawing? I don't know how to answer this question. Please help me.

*Wednesday, November 19, 2014 by Callie*

**Math Help!!**

I have to do a scale drawing. The actual measurments of my room are 9 ft 6 inch* 10 ft. The scale that I am using for my scale drawing is 24 inches=1 inch. What will the dimensons of my room be in my sclae drawing? I don't know how to figure this out.

*Wednesday, November 19, 2014 by Callie*

**Values Education**

How do I interpret a drawing that has a winner and a girl scout in it if our topic was being special and happy about yourself

*Monday, November 17, 2014 by Carrie*

**Math Help!**

Sometimes scale drawings are shown on graph paper. Each square on this graph paper is 1/4 inch, Use the scale drawing of the living room to answer each question. What is the lenth of the fireplace in inches? The fireplace has 5 squares. A. 90 inches B. 45 inches C. 180 inches ...

*Friday, November 14, 2014 by Callie*

**English...PLEASE CHECK THIS**

Here is the second bit of my description of a school dining hall. Can you please check it and suggest any improvements with my vocabulary and my attention to detail. If possible can you help me to include metaphors and personification, where possible....Thank you Back at the ...

*Thursday, November 13, 2014 by anonymous*

**physics **

A copper (Young's modulus 1.1 x 1011 N/m2) cylinder and a brass (Young's modulus 9.0 x 1010 N/m2) cylinder are stacked end to end, as in the drawing. Each cylinder has a radius of 0.38 cm. A compressive force of F = 6100 N is applied to the right end of the brass ...

*Wednesday, November 12, 2014 by S*

**physics **

The drawing shows a 156-kg crate hanging from the end of a steel bar (S = 8.1 x 1010 N/m2). The length of the bar is 0.117 m, and its cross-sectional area is 7.44 x 10-4 m2. Neglect the weight of the bar itself and determine (a) the shear stress on the bar and (b) the vertical...

*Wednesday, November 12, 2014 by S*

**math**

A bag contains n cards, each having one of the consecutive numbers (1, 2, 3, 4, .... n) written on it, with each number being used once. The probability of drawing a card with a number less than or equal to 10 is 4/10. How many cards are in the bag?

*Monday, November 10, 2014 by KG*

**Trig**

House B is located at a bearing of N67Â°E from house A. House C is 370 meters from house A at a bearing of S68Â°E. House B is located at a bearing of N11Â°W from house C. Find the distance from house A to house B. (Round your answer to two decimal...

*Saturday, November 8, 2014 by Kate*

**reading **

Laurie swings idly on his hammock and spies the March girls walking out to a hill. There, the sisters sit workingâ€”knitting, sewing, drawing, and reading. Feeling left out, Laurie asks if he may join them. They admit him under the condition that he contribute ...

*Friday, November 7, 2014 by 2phoneeeeee *

**physics**

A one-piece cylinder is shaped as in the Figure, with a core section protruding from the larger drum. The cylinder is free to rotate around the central axis shown in the drawing. A rope wrapped around the drum, of radius 2.70 m, exerts a force F1 to the right on the cylinder. ...

*Tuesday, November 4, 2014 by Misaki*

**Physics **

A bowling ball encounters a 0.760-m vertical rise on the way back to the ball rack, as the drawing illustrates. Ignore frictional losses and assume that the mass of the ball is distributed uniformly. The translational speed of the ball is 7.83 m/s at the bottom of the rise. ...

*Sunday, November 2, 2014 by S*

**Physics**

A bowling ball encounters a 0.760 m vertical rise on the way back to the ball rack, as the drawing illustrates. Ignore frictional losses and assume that the mass of the ball is distributed uniformly. The translational speed of the ball is 5.40 m/s at the bottom of the rise. ...

*Saturday, November 1, 2014 by Shawn*

**physics**

The drawing shows two transverse waves traveling on two strings. The linear density of each string is 0.0483 kg/m, and the tension is provided by a 15.0-N block that is hanging from the string. Determine the speed of the wave in part (a) and part (b) of the drawing.

*Friday, October 31, 2014 by Anonymous*

**Physics**

The cylinder in the drawing contains 3.81 mol of an ideal gas. By moving the piston, the volume of the gas is reduced to one-fourth its initial value, while the temperature is held constant. How many moles Δn of the gas must be allowed to escape through the valve, so that...

*Monday, October 27, 2014 by Bobby *

**Physics **

The wheels, axle, and handles of a wheelbarrow weigh W = 57 N. The load chamber and its contents weigh WL = 674 N. The drawing shows these two forces in two different wheelbarrow designs. To support the wheelbarrow in equilibrium, the manâ€™s hands apply a ...

*Monday, October 27, 2014 by S*

**Physics**

The helicopter in the drawing is moving horizontally to the right at a constant velocity. The weight of the helicopter is W=54300 N. The lift force L generated by the rotating blade makes an angle of 21.0Â° with respect to the vertical. (a) What is the magnitude of ...

*Monday, October 27, 2014 by Candice*

**physics**

A copper (Young's modulus 1.1 x 1011 N/m2) cylinder and a brass (Young's modulus 9.0 x 1010 N/m2) cylinder are stacked end to end, as in the drawing. Each cylinder has a radius of 0.14 cm. A compressive force of F = 4800 N is applied to the right end of the brass ...

*Sunday, October 26, 2014 by Anonymous*

**Art**

In the painting Reclining Old Man by Georges Lallemant how did the artist most likely create this drawing? a. by doing no previouw figure drawing b.by investigating various poses of the human body c.by choosing to stay with typical poses d.by using no value changes in the ...

*Friday, October 24, 2014 by Girl Friday*

**Physics**

The helicopter in the drawing is moving horizontally to the right at a constant velocity. The weight of the helicopter is W=54300 N. The lift force L generated by the rotating blade makes an angle of 21.0Â° with respect to the vertical. (a) What is the magnitude of ...

*Thursday, October 23, 2014 by Tami*

**physics**

an object is attached to the lower end of a 100-coil spring hanging from the ceiling.the spring stretches by 0.160m. the spring is then cut into two identical springs of 50 coils each. as the drawing shows, each spring is attached between the cieling and the object by how much...

*Thursday, October 23, 2014 by Anonymous*

**physics**

Five hockey pucks are sliding across frictionless ice. The drawing shows a top view of the pucks and the three forces that act on each one. The forces can have different magnitudes (F, 2F, or 3F), and can be applied at different points on the puck. Only one of the five pucks ...

*Wednesday, October 22, 2014 by ram*

**physics**

The drawing shows a chain-saw blade. The rotating sprocket tip at the end of the guide bar has a radius of 1.4Ã—10-2 m. The linear speed of a chain link at point A is 3.0 m/s. Find the angular speed of the sprocket tip in rev/s.

*Wednesday, October 22, 2014 by ram*

**Physics**

The lob in tennis is an effective tactic when your opponent is near the net. It consists of lofting the ball over his head, forcing him to move quickly away from the net (see the drawing). Suppose that you lob the ball with an initial speed of 16.5 m/s, at an angle of 52.5&...

*Wednesday, October 22, 2014 by Abigail*

**Physics**

An airplane is flying with a velocity of 220 m/s at an angle of 30.0Â° with the horizontal, as the drawing shows. When the altitude of the plane is 2.8 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle θ? I found ...

*Tuesday, October 21, 2014 by Abigail*

**math**

4.5 by 6.12 original drawing want to increase size to 18 by 24. How do I do it?

*Tuesday, October 21, 2014 by Betty*

**Art**

What is an artwork source, because I don't know what to put in that field. Is it where I got the my idea from in my drawing, if so would a book where I got my idea be ok? Thank you

*Monday, October 20, 2014 by Anonymous*

**Physics fun**

A golf ball strikes a hard, smooth floor at an angle of 33.1 Â° and, as the drawing shows, rebounds at the same angle. The mass of the ball is 0.0172 kg, and its speed is 59.2 m/s just before and after striking the floor. What is the magnitude of the impulse applied ...

*Sunday, October 19, 2014 by Sanz*

**Geometry **

The length of a table is 6 feet on a scale drawing the, length is 2 inches write three possible scales for drawing

*Sunday, October 19, 2014 by Maria *

**Geometry **

a game room has a floor that is 120 feet by 75 feet a scale drawing of the floor grid paper uses a scale of 1 unit:5 feet what are the dimensions o the scale drawing

*Sunday, October 19, 2014 by Maria *

**geometry**

a game room has a floor that is 120 feet by 75 feet a scale drawing of the floor grid paper uses a scale of 1 unit:5 feet what are the dimensions o the scale drawing ***Show steps please I need this by tomorrow***

*Sunday, October 19, 2014 by Maria *

**Physics**

The drawing shows a skateboarder moving at 5.71 m/s along a horizontal section of a track that is slanted upward by 49.8 Â° above the horizontal at its end, which is 0.516 m above the ground. When she leaves the track, she follows the characteristic path of ...

*Thursday, October 16, 2014 by Ross*

**AP Giannini**

Dexter makes a scale drawing of his room. In real life, the room is 10' wide and 12'6" long. In Dexter's drawing, the room is 4"wide, what measure should the length be? explain how you figure this out.

*Wednesday, October 15, 2014 by Lily*

**sociology **

Drawing on the ideas of Lenski, Marx, Weber, and Durkheim, what would you say is the biggest challenge facing us as members of modern societies? That is, in what way does modern society pose a problem for people that did not exist when people were living in traditional societies?

*Tuesday, October 14, 2014 by Kirstin*

**Math**

A sphere has a volume of 200m3 . What is the volume of the smallest cube that this sphere would fit inside of? (Hint: try drawing a diagram of a side or top view of this situation)

*Tuesday, October 14, 2014 by Bob*

**child care**

an appropriate sensory motor for a child up to eight month of age is A. touching toys of a different shapes, sizes and texture B. playing with puzzles with a few large pieces C. drawing with crayons or markers D. stringing large bead on a shoelace

*Tuesday, October 14, 2014 by abbey*

**program planning**

An appropriate sensory-motor activity for a child up to eight months of age isÂ A. touching toys of different shapes, sizes, and textures.Â B. playing with puzzles with a few large pieces.Â C. drawing with crayons or markers.Â D. ...

*Monday, October 13, 2014 by amanda*

**Statistics and Probability**

Winning the jackpot in a lottery requires that you select the correct three numbers between 1 and 51 and in a another separate drawing you must select the correct single number between 1 and 15. Find the probability of winning the jackpot- The probability of winning the ...

*Monday, October 13, 2014 by Macy*

**statistics**

A box contains 19 red marbles and 19 green marbles. Sampling at random from the box five times with replacement, you have drawn a red marble all five times. What is the probability of drawing a red marble the sixth time?

*Sunday, October 12, 2014 by lucy*

**Math Physics**

A wattmeter shows that a motor is drawing 2200w. What horsepower is being delivered? Is this correct? 2200/746 = 2.95

*Friday, October 10, 2014 by Jay*

**Physics**

A wattmeter shows that a motor is drawing 2200w. What horsepower is being delivered? Is this correct? 2200/746 = 2.95

*Friday, October 10, 2014 by Jay*

**Math**

A bag contains 8 green marbles and 4 blue marbles. If two marbles are drawn in succession without replacing them in the bag, what is the probability of drawing a green marble on the second draw?

*Tuesday, October 7, 2014 by Rhonda*

**(MCV4U) Vectors **

The air velocity of helicopter Hal is 200km/h due west. Hal's ground velocity is 180km/h in the direction N80*W. Determine the wind velocity. Please help! I know i should be drawing a diagram but I am very confused with how to do this question! Thank you!

*Friday, October 3, 2014 by Laura*

**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 18.5 m/s via ...

*Friday, October 3, 2014 by Steven*

**Physics **

A 7300-kg satellite has an elliptical orbit, as in the figure. The point on the orbit that is farthest from the earth is called the apogee and is at the far right side of the drawing. The point on the orbit that is closest to the earth is called the perigee and is at the far ...

*Friday, October 3, 2014 by Steven*

**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 18.5 m/s via ...

*Friday, October 3, 2014 by Steven*

**Physics**

A 7300-kg satellite has an elliptical orbit, as in the figure. The point on the orbit that is farthest from the earth is called the apogee and is at the far right side of the drawing. The point on the orbit that is closest to the earth is called the perigee and is at the far ...

*Friday, October 3, 2014 by Steven*

**Math**

the scale drawing of a billboard is 21ft wide and 10.5ft high, what is its scale?

*Thursday, October 2, 2014 by Anonymous*

**ph**

A gymnast is swinging on a high bar. The distance between his waist and the bar is 1.15 m, as the drawing shows. At the top of the swing his speed is momentarily zero. Ignoring friction and treating the gymnast as if all of his mass is located at his waist, find his speed at ...

*Thursday, October 2, 2014 by alika*

**Physics**

The drawing shows two boxes resting on frictionless ramps. One box is relatively light and sits on a steep ramp. The other box is heavier and rests on a ramp that is less steep. The boxes are released from rest at A and allowed to slide down the ramps. The two boxes have ...

*Thursday, October 2, 2014 by Steve *

**chem**

Which of the following ions contains lone pair of electrons at the central atom? A) SO4 2- B) NO3 - C) IO3 - (Is there any ways without drawing the diagrams and I could still able to figure out the answer???) Thx very much

*Thursday, October 2, 2014 by ivan*