Wednesday

March 4, 2015

March 4, 2015

Number of results: 33,793

**math**

So i need to figure out what the angle and speed was of a foot ball that traveled 59 yards how can i figure that out? what formula can i use?
*August 8, 2011 by Kate*

**Math**

I know this is simple arithmetic but i just cant seem to figure out the proccess in how to figure it out. X = 0.11X + 3.366 i know that X = 3.8 but i dont now how to get it
*September 6, 2011 by ChemLover*

**Math**

I need to do a project to figure capacity volume of a stationary cabinet with three shelves. I am confused about how to figure this with the shelves.
*July 24, 2013 by Gina*

**6th grade math**

Will some please help me figure this out??? ?x?/?+?x?/?-?=6 You can only ues these numbers to figure this out, 2,4,5,7,8,9,10
*April 14, 2009 by Peyton*

**6th ggrade math**

Will some please help me figure this out??? ?x?/?+?x?/?-?=6 You can only ues these numbers to figure this out, 2,4,5,7,8,9,10
*April 14, 2009 by Peyton*

**math geometry **

if a figure has five equilateral triangles and one pentagon, and the pentagon is 90 cm, what is the perimeter of the whole figure
*March 12, 2012 by chandan*

**elementary**

geometry a figure has 3 more sides than a pentagon.write an expression for the number of sides the new figure has.
*October 29, 2012 by swetha*

**Biology**

The matching strand to the one in Figure 12-7, reading from the bottom up, would be??? the figure is (from the bottom up) T C G A please help im so lost. :(
*December 17, 2012 by BaileyBubble*

**Basic Biomechanics**

A car teeters on the edge of a cliff. A eagle weighing 55 N lands on the hood 1.1 M from the edge of the cliff which functions as an axis. At the same time, an owl weighting 44 N lands on the trunk 1.5 m from the axis. What are the torques exerted by the birds? What will ...
*June 8, 2012 by Joshua Mclaurin*

**physics**

A positive charge q1 = 2.70 uC on a frictionless horizontal surface is attached to a spring of force constant k as in the figure. When a charge of q2 = 8.60 uC is placed 9.50 cm away from the positive charge, the spring stretches by 5.00 mm, reducing the distance between the ...
*November 7, 2012 by Brette*

**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 ...
*January 23, 2014 by Sandy*

**trig/physics**

Three positive particles of equal charge +11.o micro C, are located at the corners of an equilateral triangle of sides 15.0cm. Calculate magnitude and direction of the net force on each particle. DUUUUUUUUUH! THIS IS SO EASY! LOOK IN YOUR BOK, IDIOTIC DUDE! R U A BOY AND HOT, ...
*February 1, 2007 by matt*

**Physics *work shown ~ pls help!**

An electron is accelerated by a 6.4 kV potential difference. The charge on an electron is 1.60218 10^−19 C and its mass is 9.10939 10^−31 kg. How strong a magnetic field must be experienced by the electron if its path is a circle of radius 5.1 cm? Answer in ...
*April 15, 2011 by cr*

**Physics**

Charged particles such as ions can separate the charges inside of overall electrically neutral atoms, thus making an electric dipole. A dipole is characterized with a dipole moment p=αEexternal, where α is the polarizability of an atom, and Eexternal is the external ...
*July 1, 2013 by Mary*

**Chemistry**

I am given that volume of an unknown acid is 25 mL, volume of NaOH is 13 mL and concentration of NaOH is 1.0 M. I have a graph of a titration curve where the equivalence point is pH=9 (pH on y axis and volume of NaOH on x axis) How would i find the pKa value as well as the Ka ...
*August 13, 2014 by Liz*

**Algebra1**

Please check these 25. If a dress were 20% off of the marked price of $32.00, how much would it cost? $25.60 26. Write 1,000,000,000 in scientific notation 1.0 x 10^9 27. (3.0 x 10^2) x (2.0 x 10^6) = ? 6.0 x 10^-4
*June 10, 2010 by y912f*

**Physics**

A rotating door is made from four rectangular glass panes, as shown in the drawing. The mass of each pane is 85 kg. A person pushes on the outer edge of one pane with a force of F = 63 N that is directed perpendicular to the pane. Determine the magnitude of the door's angular ...
*April 22, 2007 by Papito*

**Math = graphing**

my daughter has to make a graph to show the number of deaths in 1593 as compared to the number of those deaths caused by the bubonic plague. The months are given (March thru December) with the total of each during each month. She is unsure as to what to put on the x axis and y...
*October 22, 2007 by Lisa*

**Physics**

A box of mass m1 = 10.0 kg rests on a smooth, horizontal floor next to a box of mass m2 = 5.0kg. You push on the box 1 with a horizontal force of F = 31.8 N: a.)What net force on box 2 will cause it to have this acceleration? b.)What the force on box 1 on box 2? (In other ...
*February 20, 2011 by Brandon*

**physics**

three forces act on a ring. The net force on the ring is zero. One force is at an angle of 30 degrees with a magnitude of 40 Newtons. A second force F acts at an angle theta . The tangent of the angle is tan theta = 3 / 3 . If the third force is n3 Newtons, what is n3?
*January 12, 2012 by frank*

**Physics **

In a phsics experiment, a 1.3 kg dynamics cart is placed on a ramp inclined at 25 degrees to the horizontal. the cart is initially at rest but is then pulled up the ramp with a force sensor. the force sensor exerts a force on the cart parallel to the ramp. negligible friction ...
*October 1, 2013 by Lola*

**Physics **

In a phsics experiment, a 1.3 kg dynamics cart is placed on a ramp inclined at 25 degrees to the horizontal. the cart is initially at rest but is then pulled up the ramp with a force sensor. the force sensor exerts a force on the cart parallel to the ramp. negligible friction ...
*October 1, 2013 by Lola*

**geometry**

Looking at formulas, which 2 shapes describe this relationship: the area of the 2 dimensional shape is one-fourth the surface area of the 3-demensional figure? Looking at formulas, which two figures describes this relationship: the volume of the first 3-dimensional figure is ...
*October 30, 2011 by Maria*

**Dynamics**

True or false (Each question carries 1 marks) (i) A rigid body is an idealization of the behavior of a body. (ii) A Geo-stationary satellite follows a circular orbit at a unique and has a time period of 24h. (iii) Constancy of areal velocity for a central force motion of a ...
*July 31, 2012 by Rajan*

**Geometry**

I need help with vertices! The vertices of triangle FGH are F(1,1), G(3,-5),H(6,0). Find the coordinates of the vertices after a refelection over the y-axis. I'm not sure how to do this. Is there a certain formula I need to know? The reflection across the y-axis negates the x ...
*September 13, 2006 by Madi*

**English 2**

(From A Separate Peace) 9. Finny's behavior in the snowball fight suggests that his life is a. one long struggle b. based on disorder and unpredictability c. governed by strong loyalties d. marked by a basic dishonesty B? Or C..not sure Thanks -MC
*October 15, 2010 by mysterychicken*

**Calculus [rotation of region bounded by curves]**

Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=3x^2, x=1, y=0 about the x-axis
*November 30, 2012 by Ali*

**geometry**

Two corresponding sides of similar polygons are in the ratio of 2 : 7. If the area of the smaller figure is 8 square meters, what is the area of the larger figure?
*November 12, 2009 by Matt*

**math**

Attach 6 trapezoids to one hexagon for each figure Figure 1: One line of symmetry and no rotational symmetries (other than 360 degrees)
*August 26, 2012 by danny*

**French**

my teacher marked these phrases as wrong but i don't know what about them is wrong: 1. je revelerais sans prevenir 2. j'ai vendu mes robes plus jolies both of them need "un mot a ajouter"
*October 10, 2007 by JJ*

**Math**

Consider a die with 8 sides, marked one, two, three, and so on. assuming equally likely outcome, find the probability that the sum of two dice is the given number. If p(10)=
*June 13, 2012 by Linda*

**chemistry**

A thermometer scale is calibrated (marked off) in a degree Celsius from 1 oC to 50 oC. Determine how many significant figures should be used to express the outdoor temperature if the temperature is more than 1 oC and less than 10 oC: (A) 1 (B) 2 (C) 3 (D) 4
*July 15, 2013 by Janaiby*

**Calculus**

Find the area of the shaded region given two points and the function y=cosx. Here's a figure (page 4 figure 7) math.upenn.edu/~deturck/m103/rogawski/chap6odd.pdf
*May 2, 2011 by Nickie*

**math**

Referring to the figure, think about first picking a card and then rolling the die. Give the probability in simplest form. P(A, 1) = ____ the figure has 1 A,2 B, 3 C, and a 6 side cube. i am confused with this problem.. please help?
*April 5, 2012 by Cheril*

**physics**

three forces act on a ring. The net force on the ring is zero. One force is at an angle of 30 degrees with a magnitude of n1 Newtons. A second force F acts at an angle theta . The tangent of the angle is tan theta = 3 / 1.73 . If the third force is n3 Newtons, what is n3? look...
*January 12, 2012 by frank*

**physics**

e4) a rope applies a horizontal force of 190 N to pull a crate a distance of 2 m across the floor. A frictional force of 50N opposes this motion a) what is the work done by the force applied by the rope? b)what is the work done by the frictional force? c)what is the total work...
*February 12, 2012 by Anonymous*

**Physics**

A rope applies a horizontal force of 208 N to pull a crate a distance of 1.91 m across the floor. A frictional force of 154 N opposes this motion. (a) What is the work done by the force applied by the rope? (b) What is the work done by the frictional force? What is the total ...
*July 2, 2014 by Anonymous*

**physics**

A cart being pulled by a 10 year old Boy with a force that is parallel to the surface. if the surface is inclined at 50 and the cart is 250kg while the surface has a coefficient of friction of 0.22 find the Normal force, Force of Friction and Force exerted by the boy
*July 27, 2014 by Lu*

**physics**

In the Atwood's machine of Figure 8-23, the two masses shown are initially at rest at the same height. After they are released, the large mass, m2, falls through a height h and hits the floor, and the small mass, m1, rises through a height h. The mass m2 remains at rest once ...
*March 31, 2011 by jennifer*

**physics**

Cheerleaders at sporting events will often use a bullhorn to make themselves louder. A bullhorn is simply a hollowed out cone - you speak into the narrow end and your voice comes out the wide end, channeled by the cone so it is louder than it would be otherwise. At a sporting ...
*September 20, 2013 by Gk*

**PHYSICS **

A diving board length L = 5.20m that weighs 205N is supported by two pillars. One pillar is at the left end of the diving board, as shown below; the other is distance d = 1.70m away. Find the magnitude of the force exerted by the left pillar when a 90.0kg diver stands at the ...
*December 3, 2014 by Lauren*

**Calculus**

solid is formed by rotating the region bounded by the curve y=e−3x^2 and the x-axis between x=0 and x=1, around the x-axis. The volume of this solid is 3(1−e^−3). Assuming the solid has constant density , find x and y. I know that y bar must be 0. and I got...
*October 27, 2011 by Terrence*

**Calculus**

solid is formed by rotating the region bounded by the curve y=e−3x^2 and the x-axis between x=0 and x=1, around the x-axis. The volume of this solid is 3(1−e^−3). Assuming the solid has constant density , find x and y. I know that y bar must be 0. and I got ....
*October 27, 2011 by Terrence*

**Calculus**

Let R be the region bounded by the x-axis, x = 5 and the curve y = x. This region is rotated around the x-axis. Find the volume of the resulting solid. (Note: R is a triangular region. The resulting solid has a simple shape. You may ask me if you are highly unsure about what ...
*December 1, 2011 by Macy*

**Chemistry **

Do I solve this by multiplying 1.8645 by 1.14??The equation of your calibration curve from a spectrophotometry experiment was y = 1.8645x. Assuming your calibration curve is set up exactly like it was in lab (concentration in mM on the x axis and absorbance on the y axis), ...
*June 25, 2013 by Ann *

**college physics**

A water-skier is being pulled at a steady speed in a straight line. her mass plus the mass of the ski is 65 kg. the pull of the tow rope on her is 520 N. a...i) What is the vertical component Y of the push of the water on the ski?? ....ii) What is the horizontal component X of...
*September 3, 2012 by Mariam*

**math,correction,plz**

Perform the indicated division. Rationalize the denominator if necessary. Then simplify each radical expression. Problem #54 (6-radical(20))/(2) My answer: 3-radical(5) Problem #50 Find the area of the rectangle shown in the figure. width = radical (3) + radical (5) Length = ...
*March 10, 2007 by jas20*

**algebra 2**

i cant figure out how to solve this? T with two over powe +7T-18+0 so far if figure out T+ but i dunno what
*June 13, 2010 by me*

**math**

if a figure has 48 square units as it's area and 38 units as it's perimeter what would the figure look like?
*February 8, 2011 by kate*

**Physics- magnetism**

The four wires in the figure are tilted at 20degrees with respect to the field direction. Each carries a 4.5 current and is 0.35m long. What is the magnitude and direction of the force on each wire? (the answer is in terms of B-magnetic field) Image: h t t p: //p osti mage. or...
*March 7, 2011 by Bob*

**physics**

The figure shows an arrangement in which four disks are suspended by cords. The longer, top cord loops over a frictionless pulley and pulls with a force of magnitude 82.6 N on the wall to which it is attached. The tensions in the shorter cords are T1 = 61.4 N, T2 = 47.2 N, and...
*October 3, 2013 by kristy*

**physics**

A 0.21 kg ball on a string is whirled on a vertical circle at a constant speed. When the ball is at the three o'clock position, the tension is 18 N. -------------------------------------------------------------------------------- (a) How does the magnitude of the centripetal ...
*April 4, 2008 by Johnathan*

**Chemistry**

What happens to the equilibrium constant when a catalyst is added to the reaction mixture. A. Increase B. Decrease C. Does not change D. Varies E. None of the above I chose c
*November 11, 2011 by Monique *

**algebra**

Determine whether y varies directly with x, If so, find the constant of variation k and write the equation. x y 4 6.4 7 11.2 10 16 13 20.8 Would like for someone to explain if possible
*September 10, 2012 by jay*

**Physics**

Consider a bimetallic strip consisting of a 0.6-mm-thick brass upper strip welded to a 0.6-mm-thick steel lower strip. When the temperature of the bimetallic strip is increased by 83 K, the unattached tip deflects by 3 mm from its original straight position, as shown in the ...
*November 26, 2010 by Oscar*

**physics**

Three identical masses of 500 kg each are placed on the x axis. One mass is at x_1 = -11.0 cm, one is at the origin, and one is at x_2 = 37.0 cm. What is the magnitude of the net gravitational force F_grav on the mass at the origin due to the other two masses? Take the ...
*October 11, 2010 by lauren*

**Physics Help!!**

Three identical masses of 500 kg each are placed on the x axis. One mass is at x_1 = -11.0 cm, one is at the origin, and one is at x_2 = 37.0 cm. What is the magnitude of the net gravitational force F_grav on the mass at the origin due to the other two masses? Take the ...
*October 11, 2010 by LIZ*

**physics**

WA -10.0 nC point charge and a +20.0 nC point charge are 15.0cm apart on the x-axis.hat is the electric potential at the point on the x-axis where the electric field is zero?
*September 4, 2013 by abby*

**Applied Physics**

A 10 kilogram object subjected to a 20 Newton force moves across a horizontal frictionless surface in the direction of the force. Before the force was applied, the speed of the object was 2.0 meters/second. When the force is removed the object is traveling at 6.0 meters per ...
*May 14, 2011 by EJ*

**Physics**

A student, crazed by final exams, uses a force of magnitude 86 N and angle θ = 61 to push a 5.2 kg block across the ceiling of his room, as in Figure 6-52. If the coefficient of kinetic friction between the block and the ceiling is 0.34, what is the magnitude of the ...
*October 23, 2011 by Tom*

**Physics**

A student, crazed by final exams, uses a force of magnitude 86 N and angle θ = 61 to push a 5.2 kg block across the ceiling of his room, as in Figure 6-52. If the coefficient of kinetic friction between the block and the ceiling is 0.34, what is the magnitude of the ...
*October 24, 2011 by Ted*

**physics**

In the figure the man hanging upside down is holding a partner who weighs 535 N. Assume that the partner moves on a circle that has a radius of 6.50 m. At a swinging speed of 3.75 m/s, what force must the man apply to his partner in the straight-down position?
*July 10, 2013 by simon*

**physics**

A 75.5 kg skier encounters a dip in the snow's surface that has a circular cross section with radius of curvature of $r$ = 10.1 m. If the skier's speed at point A in the figure below is 7.82 m/s, what is the normal force exerted by the snow on the skier at point B? h = 1.79 m...
*March 8, 2014 by Casa*

**physics**

When you step on the accelerator to increase the speed of your car, the force that accelerates the car is eitheir the force of your foot on the accelerator, the force of friction of the road on the tires,the force of the engine on the drive shaft, or the normal force of the ...
*November 18, 2006 by tatiana*

**Math**

1. Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on earth also varies according to the elevation of the object? In particular, the weight of an object follows this equation: , where C is a constant, ...
*October 21, 2011 by Algebra*

**Math**

1. Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on earth also varies according to the elevation of the object? In particular, the weight of an object follows this equation: , where C is a constant, and...
*October 21, 2011 by Student 315*

**Physics**

the wind blows with a force of 425N north on a sail boat, while the water exerts a force of 325N west on the sailboat. Find the magnitude and direction of the net external force on the sailboat.
*April 9, 2012 by tom*

**calculus**

the graph of y= -1/4 over x-2 can be obtained from the graph y|x| by which transformations? a. 5 units to right b. 2 units to right c. 5 units to left d. 2 units to left by what factor is the graphed streched or shrunk vertically and how is it reflected. a. shrunk verticallyby...
*December 18, 2012 by Ladybug*

**Physics**

A flat uniform circular disk (radius = 2.10 m, mass = 1.00 102 kg) is initially stationary. The disk is free to rotate in the horizontal plane about a frictionless axis perpendicular to the center of the disk. A 40.0-kg person, standing 1.00 m from the axis, begins to run on ...
*November 4, 2010 by Kevin*

**physics**

A charge of -3.95C is fixed at the center of a compass. Two additional charges are fixed on the circle of the compass (radius = 0.135 m). The charges on the circle are -5.90C at the position due north and +4.27C at the position due east. What is (a) the magnitude and (b) ...
*May 20, 2012 by BM*

**Foreign Langauge**

Who is a person that's important to the history and/or culture of France. This person can be a political figure, scientist, artist, musician, athlete, religious figure, etc.
*February 10, 2009 by Angie*

**Math**

Two corresponding sides of similar polygons are in the ratio of 2:3. If the perimeter of a smaller figure is 6 meters, what is the perimeter of the larger figure? My answer is: 9m. Is this correct?
*September 24, 2009 by B.B.*

**math**

Two corresponding sides of similar polygons are in the ratio of 8:7. If the area of the smaller figure is 512 square meters, what is the area of the larger figure?
*October 22, 2009 by thomas*

**geometry**

Two corresponding sides of similar polygons are in the ratio of 8:7. If the area of the smaller figure is 512 square meters, what is the area of the larger figure?
*November 1, 2009 by Aleah*

**statistics**

Why am I stuck? How do I figure I must be really stressed because I cannot figure this out. you exmple 9.408^2 =88.51046? How do you get it? I have squared 9.408 on calculator and get 3.08 what am I missing?
*August 22, 2010 by Sandra*

**Calc BC**

Figure out the 35th derivative for xsinx. You have to do a few derivatives by hand to figure our a pattern and then predict the 35th one
*September 11, 2013 by Emily*

**ALGEBRA**

Please help. The dashed figure is a dilation of the original figure. Fin the scale factor. classify the dilation as an enlargement or a reduction How do you input pictures?
*January 27, 2015 by BUBBLES*

**Calculus**

A solid is formed by rotating the region bounded by the curve y=e−3x2 and the x-axis between x=0 and x=1, around the x-axis. The volume of this solid is 3(1−e−3). Assuming the solid has constant density , find x and y. I know that y bar must be 0. and I got ....
*October 27, 2011 by Terrence*

**physics**

An unstable atomic nucleus of mass 17.0 10V27 kg which is at rest disintegrates into three particles. One of the particles, of mass 5.00 10V27 kg, moves in the y direction with speed 4.50 Mm/s. Another, with mass 8.40 10V27 kg, moves in the x direction with speed ...
*March 28, 2011 by Matthew*

**Physics**

A charge of -3.00 C is fixed at the center of a compass. Two additional charges are fixed on the circle of the compass (radius = 0.120 m). The charges on the circle are -4.40 C at the position due north and +5.00 C at the position due east. What is the magnitude and ...
*April 11, 2012 by Adie*

**Math**

5).Hat size are determined by the measuring the circumference of the head in either inches or centimeters. Use ratio and proportion to complete the following table. Hat size Head circumference Head Circumference 7 to nearest 1/5 inch to the nearest centimeter 7 3/8 23 3/5 60...
*May 28, 2010 by Mickey*

**PHYSICS**

A 209 kg block is released at height h = 3.3 m as shown. The track is frictionless except for a portion of length 7 m. The block travels down the track, hits a spring of force constant k = 1545 N/m, and compresses it 1.9 m from its equilibrium position before coming to rest ...
*December 10, 2014 by Joshua*

**Science**

For science class, we had to do a lab that involved parachuting eggs off a third floor window of our school. This lab would help us learn the forces of gravity, friction, and air resistence. We were supposed to construct a parachute that would make our egg land safely. After ...
*January 23, 2011 by Danielle*

**PHYSICS**

Two metal rods -- one copper the other aluminum -- are connected in series, as shown in the figure below. Note that each rod is 0.525 m in length, and has a square cross section 1.25 cm on a side. The temperature at the copper end of the rods is 2.00C; the temperature at the ...
*November 23, 2009 by jawn*

**chemistry - equilibrium Help**

you observed that very little corrosion occurred on the nail immersed in NaOH(aq) solution. This observation is difficult to explain from an electrochemistry perspective since electrochemistry principles predict a spontaneous reaction that should cause corrosion. Explain why ...
*November 12, 2012 by Tara*

**stats**

Question 5 of 10 Why are partial regression coefficients necessary in multiple regression? (Points : 1) Multiple variables each provide some of the same information. Each variable involved contributes a unique error component. Each variable involved is part of the intercept ...
*July 20, 2014 by please help*

**physics**

The system in the Figure is in equilibrium. A mass M1 = 226.0 kg hangs from the end of a uniform strut which is held at an angle = 41.0 with respect to the horizontal. The cable supporting the strut is at angle = 27.4 with respect to the horizontal. The strut has a mass ...
*October 14, 2014 by Katrina*

**physics**

A 1.90-kg object is attached to a spring and placed on frictionless, horizontal surface. A horizontal force of 14.0 N is required to hold the object at rest when it is pulled 0.200 m from its equilibrium position (the origin of the x axis). The object is now released from rest...
*January 26, 2011 by Roo Kun*

**Calculus**

Suppose that you follow the size of a population over time. When you plot the size of the population versus time on a semilog plot (i.e., the horizontal axis, representing time, is on a linear scale, whereas the vertical axis, representing the size of the population, is on a ...
*October 30, 2011 by Erica*

**Linear Algebra**

Two prospectors are pulling on ropes attached around the neck of a donkey that doesnt want to move. One prospector pulls with a force of 25 lbs, and the other pulls with a force of 50 pounds. If the angle between the ropes is 30 degrees, then how much force must the donkey ...
*February 23, 2011 by Emilie*

**Physics**

A wheel of moment of inertia 0.136 kg m2 is spinning with an angular speed of 5000 rad/s. A torque is applied about an axis perpendicular to the spin axis. If the applied torque has a magnitude of 67.8 N m, the angular velocity of precession will be? Please help me solve ...
*March 28, 2014 by kjean*

**Physics**

A 70.0 kg base runner begins his slide into second base while moving at a speed of 4.0 m/s. The coefficient of friction between his clothes and Earth is .70. He slides so that his speed is zero just as he reaches the base. How much mechanical energy is lost due to friction ...
*December 5, 2006 by Becca*

**high school physics static friction**

The system shown below is in equilibrium. Using the fact that block A is placed on a table, has a normal force of 40.2 N and it is not moving, what is the coefficient of static friction on block A? I know you can't answer this but if you have any suggestions: Calculate the ...
*December 8, 2010 by Jess*

**PHYSYICS**

Vector V1 is 6.29 units long and points along the negative x axis. Vector V2 is 4.23 units long and points at +35.0 to the +x axis. (a) what is V1x & V1y (b) what is the magnitude & direction (degrees)
*September 30, 2012 by please help! part 2*

**science**

You are given three displacement vectors: with magnitude 5.0 m in the direction of 60o below the negative x-axis, vector, has an x-component of +2.5 m and a y-component of +6.0 m and vector has magnitude of 2.5 m in the negative y-axis.
*July 22, 2013 by miezi*

**alg. **

Find the coordinates of the vertex and the equation of the axis of symmetry of the parabola with the given equation. y = 8x2 + 48x − 3 vertex (x, y) = _____________ axis of symmetry _____________
*April 21, 2014 by KMILLhelp*

**chemistry**

what is particle movement?
*September 15, 2008 by Anonymous*

**Math**

If the scale factor from a small figure to a large figure is given as a percent, how can you find the side lengths of the large figure from the side lengths of the small figure? PLEASE HELP ME!!! PLEASE HELP!!!!! THIS IS SOOOOO CONFUSING AND MY TEACHER NEVER REALLY EXPLAINED ...
*January 4, 2007 by AJ*

**Physics**

There are 2 objects connected with ideal, massless string that is hanging over an ideal (massless and frictionless) pulley. The angled surface is at a 25.0 degree angle. All surfaces are firctionless. A force F1 is applied horizontally as shown to the right on object 2. ...
*October 9, 2014 by Lucas*

**physics**

The density of ice is 917 kg/m3, and the density of sea water is 1025 kg/m3. As shown is the figure, a polar bear climbs onto a piece of ice, which has a volume of 5.75 m3, and is floating in sea water. a) What is the mass of the piece of ice? b) What is the mass of the ...
*March 9, 2013 by Chris*

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