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September 29, 2016

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Number of results: 21,547

Physics
Three uniform spheres of masses m1 = 3.50 kg, m2 = 4.00 kg, and m3 = 6.50 kg are placed at the corners of a right triangle (see figure below). Calculate the resultant gravitational force on the object of mass m2, assuming the spheres are isolated from the rest of the Universe...
June 20, 2013 by Josie

physics
An 11.4 kg block of metal is suspended from a scale and immersed in water, as in the figure below. The dimensions of the block are 12.0 cm multiplied by 11.1 cm multiplied by 11.1 cm. The 12.0 cm dimension is vertical, and the top of the block is 5.00 cm below the surface of ...
April 17, 2012 by PJ

College physics-oscillations
A ball is attached by two spring as shown [vvvOvvv]. If the mass is displaced a distance △x BELOW the equilibrium position h (see figure A). Determine whether vertical SHM is possible for the system shown.If so, find the natural frequency. [Assume that the vertical extension...
December 4, 2010 by Marco

Calculus
The figure below shows a function g(x) and its tangent line at the point B=(2,6.8). If the point A on the tangent line is (1.94,6.87), fill in the blanks below to complete the statements about the function g at the point B. g(2)= _____ g(2)= _____ I found the slope and that ...
February 15, 2011 by Cecille

algebra
For what value of the constant (c) does the system of equations below have no solutions (x,y)? 3x - 5y = -2.3 6x - cy + 9.3 How would I start to figure this out? Thank you!
March 1, 2009 by Cassie

Algebra
For what value of the constant (c) does the system of equations below have no solutions (x,y)? 3x - 5y = -2.3 6x - cy + 9.3 How would I start to figure this out? Thank you!
March 1, 2009 by Cassie

physics
The three vectors in the figure below have magnitudes a = 2.45 m, b = 3.15 m, and c = 15.0 m and angle θ = 36.5 find x component of vector a
September 30, 2012 by casey

physics
The three vectors in the figure below have magnitudes a = 2.45 m, b = 3.15 m, and c = 15.0 m and angle θ = 36.5 find the x and y component of vector a
September 30, 2012 by HELPP assignment Due at 10

Physics
The electric field lines surrounding three charges are shown in the figure below. The center charge is q2 = -15.9 C.
April 2, 2013 by Zack

physics
In the figure below, the bar is 2.4 meters long and has a mass of 145 kg. To the nearest newton what is the tension in the wire?
August 22, 2016 by clache

Algebra 1
Write an equation that relates the number of parallelograms in the figure (n), to the perimeter of the figure (P). /_/ /_/_/ /_/_/_/ The top and bottom = 5 each and the sides = 4 each in each figure.
December 1, 2014 by Steve

Physics
Even when the head is held erect, as in the figure below, its center of mass is not directly over the principal point of support (the atlant-ooccipital joint). The muscles at the back of the neck should therefore exert a force to keep the head erect. That is why your head ...
February 26, 2016 by Emily

physics
Part (a) of the figure below is a partial graph of the position function x(t) for a simple harmonic oscillator with an angular frequency of 1.00 rad/s; Part (b) of the figure is a partial graph of the corresponding velocity function v(t). The vertical axis scales are set by xs...
February 4, 2011 by rock

College physics-oscillations
A ball is attached by two spring as shown [vvvOvvv]. If the mass is displaced a distance △x BELOW the equilibrium position h (see figure A). Determine whether vertical SHM is possible for the system shown.If so, find the natural frequency. [Assume that the vertical extension...
December 4, 2010 by Marco

Physics Phase Constant
..im really stuck on this. can someone please explain? ------- Figure A [[which i tried to recreate below]] is a partial graph of the position function x(t) for a simple harmonic oscillator with an angular frequency of 1.1 rad/s. [a].....x(cm)....... ........5...
April 4, 2007 by COFFEE

Ratios
Please Help me figure out HOW to do this students in classes, displayed below, ate the same ratio of cheese pizza slices to pepperoni pizza slices. Below is the Slices of Cheese Pizza column from the table. Fill it in with fractions or mixed numbers (like 7 1/2) Slices of ...
October 22, 2015 by Anonymous

physics
The figure below shows a general situation in which a stream of people attempt to escape through an exit door that turns out to be locked. The people move toward the door at speed v = 4.1 m/s, are each d = 0.30 m in depth, and are separated by L = 1.75 m. The arrangement in ...
September 3, 2011 by Savannah

math
What is the reading in kwhr of the electric meter shown in the exam figure below? A. 0631 B. 1641 C. 1732 D. 9742 is it a
June 4, 2009 by me

Physcis
In the figure below find the electric potential at point P due to the grouping of charges at the other comers of the rectangle. Q1= 8.0 uc Q2=-8.0 uc Q3= -12.0 uc
April 13, 2011 by c harlene

phy
Three blocks are suspended at rest by the system of strings and frictionless pulleys shown in the figure below, where W = 29.0 N, and = 26.6. What are the weights w1 and w2?
October 25, 2012 by anthony

physics
Three blocks are suspended at rest by the system of strings and frictionless pulleys shown in the figure below, where W = 29.0 . What are the weights w1 and w2?
October 25, 2012 by anthony

physics
A 101.6-N bird feeder is supported by three cables as shown in the figure below. Find the tension in each cable
February 5, 2014 by Anonymous

geometry
the scale factor between figure A and figure B is 0.25. If one side length of figure B is 56 yards, what is the corresponding side length of figure A?
October 3, 2010 by linda

physics
A small block on a frictionless horizontal surface has a mass of 2.5010−2 . It is attached to a massless cord passing through a hole in the surface. (See the figure below .) The block is originally revolving at a distance of 0.300 from the hole with an angular speed of ...
November 17, 2009 by Anonymous

Physic
Two wave pulses on a string approach one another at the time t = 0, as shown in the figure below, except that pulse 2 is inverted so that it is a downward deflection of the string rather than an upward deflection. Each pulse moves with a speed of 1.0 m/s. Make a careful sketch...
November 22, 2014 by Anonymous

Math
In the figure below, the diagonal line divides the rectangle into halves Which statement about the figure is NOT true? On the rectangle the width is 3cm and the length is 4cm. The line that divides the rectangle is 5cm F. The perimeter of the rectangle is 14cm G. The area of ...
January 30, 2012 by Andrew

Math
Write two algebraic pattern rules for this toothpick pattern. Figure 1 = 3toothpicks Fiqure 2 = 5 toothpicks Figure 3 = 7 toothpicks Figure 4 = 9 toothpicks i need help please. I did 1-3n for Figure 1
September 30, 2013 by Person

Math I REALLY NEED HELP!!!!!!!!!
A figure is dilated by a scale factor of 4. If the origin is the center of dilation, what are the coordinated in the original figure of a vertex located at (8,8) in the enlarged figure? A/(2,2) B/(4,4)
January 9, 2013 by Sammy

physics
Bar AB has length L, constant thickness d, and a width that tapers linearly from 3d at its fixed end (A) to d at its free end (B; see the figure below). The bar is homogeneous with mass density ρ and Young's modulus E. When hung vertically as shown in the figure, the bar ...
June 23, 2014 by Donkey

Chemistry
NH3(g) + 2O2 (g) = HNO3 (aq) + H2O (l) How do I calculate the oxidation states of Nitrogen and figure out if it is reduced, oxidized or neither? My answer is below. I am not sure if I am figuring it right. Please advise. NH3(g) + 2O2 (g) = HNO3 (aq) + H2O (l) N is -3,H3 is +1...
May 4, 2010 by Carli

Physics
Find the electric field at P in the figure shown below. (Take r = 1.5 m and θ = 41. Measure the angle counterclockwise from the positive x-axis.)
May 25, 2011 by SBHS

math
find the area of the cone cut from its vertices to make half of it with radius 14 cm and slant height 20 cm see the figure below
May 3, 2016 by kelvin

Math PLEASE HELP!!!
A figure is dilated by a scale factor of 4. If the origin is the center of dilation, what are the coordinated in the original figure of a vertex located at (8,8) in the enlarged figure? A/(2,2) B/(4,4) No one has answered
January 9, 2013 by Sammy

math
a 10-foot ladder is placed against the side of a building as shown i figure i below.the bottom of the ladder is 8 feet from the base of the building .in the order to increase the reach of the ladder against the building ,it is moved 4 feet closer to the base the bulding shown ...
May 14, 2013 by kirandeep

Physics for Engineers
A playground is on the flat roof of a city school, 5.2 m above the street below (see figure). The vertical wall of the building is h = 6.70 m high, forming a 1.5-m-high railing around the playground. A ball has fallen to the street below, and a passerby returns it by launching...
September 14, 2011 by Lauryn

Physics
In the figure below, a block of mass m = 14 kg is released from rest on a frictionless incline angled of angle θ = 30. Below the block is a spring that can be compressed 2.0 cm by a force of 270 N. The block momentarily stops when it compresses the spring by 4.6 cm. What...
March 25, 2015 by Anonymous

Physics
A ball is shot vertically upward from the surface of another planet. A plot of y versus t for the ball is shown in the figure below, where y is the height of the ball above its starting point and t = 0 at the instance the ball is shot. The figures vertical scale is set by ys...
October 2, 2007 by Vanessa

physics
A 24.0 kg backpack is suspended midway between two trees by a light cord as in the figure (Figure 1) . A bear grabs the backpack and pulls vertically downward with a constant force, so that each section of cord makes an angle of 27 degrees below the horizontal. Initially, ...
July 24, 2012 by Anonymous

SCI 275
CLASS - Please see the attached figure. How do the three factors shown in the figure interact to promote sustainable development? [img src="@7140725"] this is the figure.
November 11, 2007 by dawn

physics
Find the magnitude and direction of the net electrostatic force exerted on the point charge q3 in the figure below, where q = +2.5 μC and d = 28 cm. The picture is of a square. q1=+q, q2=-2q, q3=-3q, q4=-4
July 17, 2011 by Chloe

physics
Find the magnitude and direction of the net electrostatic force exerted on the point charge q3 in the figure below, where q = +2.5 μC and d = 28 cm. The picture is of a square. q1=+q, q2=-2q, q3=-3q, q4=-4
July 17, 2011 by Chloe

geometry
Can you use two straight cuts to break the figure below into three pieces 5 squares numbered 12345 5 123 4
August 30, 2013 by Tim

Math
Draw and label a diagram of each figure described below and calculate its volume. A) a sphere with a radius of 2 m. B) a cone with a diameter of 8 ft and height of 10 feet.
April 11, 2015 by Lori

Math
If you compose the two congruent triangles shown below into a single figure, which term(s) best describes the new polygon?
May 4, 2016 by Desiree Hall

physics
A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 16.0 m/s. The cliff is h = 25.0 m above a flat horizontal beach, as shown in the figure below. How long after being released does the stone strike the beach below the cliff? s...
February 7, 2016 by lisa

physic
Find the acceleration reached by each of the two objects shown in figure below if the coefficient of kinetic friction between the 7.00 kg object and the plane is 0.270.
October 16, 2009 by Chan

physics
If the height of the water slide in the figure below is h1 = 1.55 m and h2 = 1.35 m, and the person's initial speed at point A is 0.593 m/s, at what location does the swimmer splash down in the pool?
March 4, 2012 by Ashley

jccc
a tennis player moves in a straight line path as shown in figure below. find her average velocity in following time intervals.
September 2, 2016 by amy

Math
I am trying to help my son in Algebra, the only thing is that I have forgot some of these thing.He has a word problem I can not figure it out please help a mother help her 9th grader. Q- The polygons below are similar. Find the unknown side lengths if c=24. Each measure is in ...
November 13, 2007 by Mary

Phisics (Urgent)!!!!!!!!!!!!!!!!!!!!!!
A gyroscope consists of a uniform disc of mass radius M= 1 kg and radius R= 0.3 m . The disc spins with an angular speed ω= 300 rad⋅s-1 as shown in the figure below. The gyroscope precesses, with its axle at an angle 30∘ below the horizontal. The gyroscope is ...
November 20, 2013 by Anonimus

physics
One end of a cord is fixed and a small 0.300 kg object is attached to the other end, where it swings in a section of a vertical circle of radius 2.50 m as shown in the figure below. When = 15.0, the speed of the object is 6.20 m/s. At this instant, find each of the ...
October 18, 2011 by carlton

Geometry
I Need help doing a geometry proof. In the figure below, PQ=RS. Prove PR=QS. ____________________ P Q R S
February 5, 2012 by Jennifer

Trig
3. In the figure below, the perimeter of the parallelogram ABCD is (6a + 8b + 29) and the perimeter of the triangle ACD is (3a + 4b + 32). What is the length of AC
December 21, 2011 by Keaton

geometry
In the figure below, the measure of arc AC is 88 degrees if angle ABC is equal to 88 degrees.
February 19, 2012 by bob

physics
The figure below shows an object of mass M = 1,276 g. It is free to move along a horizontal, frictionless surface. This object is further connected to a second object with a mass of m = 1,362 g by means of a massless string that extends around a massless, frictionless pulley. ...
October 10, 2009 by m2a

math
helow answer. show work how to figure out the below (1.2)square root + (2.8) sq. root = 3.1
April 11, 2013 by Rosie

p
A newly planted tree is supported against the wind by a rope tied to a stake in the ground, as shown in the figure below. The force of the wind, though distributed over the tree, is equivalent to a single force F, as shown in the figure. Find the tension in the rope. Assume ...
March 26, 2012 by JOHN

Physics
In the figure below, m1 = 3.8 kg, m2 = 5.2 kg, and the coefficient of kinetic friction between the inclined plane and the 3.8-kg block is μk = 0.3. Find the magnitude of the acceleration of the masses and the tension in the cord.
September 26, 2012 by Tara

Physics
Three point charges are located at the corners of an equilateral triangle as in the figure below. Find the magnitude and direction of the net electric force on the 0.70 C charge. (A = 0.70 C, B = 6.50 C, and C = -3.90 C.)
March 30, 2013 by Yannic

probability
This figure below describes the joint PDF of the random variables X and Y. These random variables take values in [0,2] and [0,1], respectively. At x=1, the value of the joint PDF is 1/2. (figure belongs to "the science of uncertainty) 1. Are X and Y independent? NO 2. Find fX(...
February 28, 2015 by RVE

math
Okay. so say their is a list of numbers: x y 0 3 1 5 2 7 3 9 4 11 I know how to answer a question like "use an equation to figure out Y when X is..." but how do you figure do " figure out X when Y is" ? I konw that the formula is y=mx+b but i don't know how to do it thanks
May 26, 2009 by Dawn

math
If you were given the area of a figure and told that all the dimensions of the figure would be cut in half, how could you find the area of the new similar figure?
April 6, 2016 by tonie

physics
Two objects of masses m1 = 0.58 kg and m2 = 0.92 kg are placed on a horizontal frictionless surface and a compressed spring of force constant k = 300 N/m is placed between them as in figure (a) shown below. Neglect the mass of the spring. The spring is not attached to either ...
March 8, 2016 by sherry

physics
The location of two particles at t = 0 is shown in the figure below. The particles are initially at rest. Each particle is subject to a constant force, as indicated in the figure. (Take m1 = 2.06 kg and m2 = 0.95 kg.) (a) Find the position of the center of mass at t = 0. xcm...
February 10, 2011 by Anonymous

math
joe thinks the perimeter of the figure is 15 units he is right is it reasonable that the completed figure is a pentagon? Why? the figure that is not completed is 5 on top 5 on the bottom and one side 2.
April 23, 2010 by corrie

Calculus
The figure at the right consists of a rectangle topped by an isosceles right triangle. The area of the figure is 200 sq. feet. The minimum perimeter of the figure is ___ft.
February 16, 2014 by Anonomous

Algebra 2 *edit*(below)
Hello I was wondering how this problem would be set up.If I can see how its set up im sure I can figure it out. thanks
August 24, 2007 by Alyssa

Physics
The boy on the tower of height h = 20 m in the figure below throws a ball a horizontal distance of x = 56 m. At what speed, in m/s, is the ball thrown?
October 7, 2010 by V

Physics
The boy on the tower of height h = 20 m in the figure below throws a ball a horizontal distance of x = 56 m. At what speed, in m/s, is the ball thrown?
October 7, 2010 by V

Physics
The boy on the tower of height h = 20 m in the figure below throws a ball a horizontal distance of x = 56 m. At what speed, in m/s, is the ball thrown?
October 7, 2010 by V

physics
The boy on the tower of height h = 20 m in the figure below throws a ball a distance of x = 52 m, as shown. At what speed, in m/s, is the ball thrown?
February 9, 2011 by Anonymous

geometry
find the surface area of the figure below. A cylinder which has a hemisphere on one side of cylinder and radius is 5 and the hight is 8.
March 17, 2011 by zivar

geometry
the figure below represents a building in the shape of a pentagon. using the scale 1 inch= 94 feet, what is the perimeter of the building?
August 15, 2011 by Hanna

physics
The boy on the tower of height h = 18 m in the figure below throws a ball a distance of x = 62 m, as shown. At what speed, in m/s, is the ball thrown?
February 3, 2012 by Sanda

geometry
In the figure below, find x if segment AB = 12 cm and segment AD = 2x + 6
June 4, 2012 by Anonymous

math
Determine the energy to heat a cube of gold with a volume of 19.0{\rm cm}^{3} from 15^\circ C to 37^\circ C. (Figure 1) Refer to the tables of densities (Figure 2) and to the table of the specific heats (Figure 3)
January 24, 2013 by Anonymous

MATH
1. Find the area of the figure.(The figure is a trinagle with a dotted line directly down the middle with the measurements of 4 by 9 ft) A~18 FT2? 2. Find the area of the figure. Use 3.14 for and round your answer to one decimal place(The figure is a cirle with...
September 20, 2009 by A~

Physics
A contestant in a winter games event pushes a 59.0 kg block of ice across a frozen lake as shown in the figure below. The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03. The block is being pushed at a direction of 23 degrees below the ...
February 17, 2015 by Mariah

math
Figure is triangle c is biggest side, a and b are same size 19. In figure-4, compute c if a = 3 and b = 2. 20. In figure-4, compute b assuming 27a= and c =2b. ()
August 19, 2010 by Anonymous

Physics
A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 15.0 m/s. The cliff is h = 66.0 m above a flat horizontal beach. How long after being released does the stone strike the beach below the cliff? I got 3.67 s. With what speed ...
June 1, 2008 by Elisa

AP Physics - Equilibrium
The Achilles tendon is attached to the rear of the foot as shown in the figure below. When a person elevates himself just barely off the floor on the ball of one foot, estimate the tension Ft in the Achilles tendon (pulling upward) and the (downward) force Fb exerted by the ...
November 13, 2009 by Henry

Math
Two corresponding sides of similar polygons have the ratio 5:4. The perimeter of the smaller figure is 40, what is the perimeter of the larger figure...I need help trying to figure this out...and the steps!
February 7, 2010 by Steph

math
a figure skater must trace a figure eight on the ice that consists of two perfect circles, each with radius 11 feet. How far does the skater go one time around the figure eight?
October 28, 2011 by unknown

physics
The figure below shows four charges located at the corners of a square with sides of length a = 8.0 cm. If the charges q1, q2, q3, and q4, are all 4.0 Coulomb, then:
February 13, 2011 by jg

math
the scale factor for two figures is 3(new figure)to 2(old figure)the new figure has a side of 9.9 what is corresponding side in the old figure? A)6 B)6.6 c)6.06 D)6.16
January 15, 2010 by makeeda

Probability
Consider three random variables X, Y, and Z, associated with the same experiment. The random variable X is geometric with parameter p∈(0,1). If X is even, then Y and Z are equal to zero. If X is odd, (Y,Z) is uniformly distributed on the set S={(0,0),(0,2),(2,0),(2,2)}. ...
March 10, 2015 by qwerty

intermediate algebra
find two algebraic expressions for the area of each figure. first ,regard the figure as one large rectangle, and then regard the figure as a sum of four smaller rectangles 3 t,t,5
July 10, 2011 by swirl

college algebra
find two algebraic expressions for the area of each figure. first ,regard the figure as one large rectangle, and then regard the figure as a sum of four smaller rectangles x,10,8x
January 2, 2014 by its a secret

physics
Four closed surfaces, S1 through S4, together with the charges -2Q, Q, and -Q are sketched in the figure below. The colored lines are the intersections of the surfaces with the screen.
September 17, 2010 by chuck

physics
The lens and mirror in the figure below are separated by d = 1.00 m and have focal lengths of +74.9 cm and -56.4 cm, respectively. An object is placed p = 1.00 m to the left of the lens as shown.
March 24, 2013 by Pri

Physics
For the system of two crates and a pulley in the figure below, what fraction of the total kinetic energy resides in the pulley? (Assume m1 = 14 kg, m2 = 10 kg and mpulley = 5 kg.) (( o )) | | | | [m1] | [m2]
April 1, 2014 by Sarah

Physics
The lens and mirror in the figure below are separated by d = 1.00 m and have focal lengths of +74.8 cm and -42.2 cm, respectively. An object is placed p = 1.00 m to the left of the lens as shown.
April 30, 2015 by Austin

Physics
In the figure below, m1 = 3.1 kg, m2 = 5.8 kg, and the coefficient of kinetic friction between the inclined plane and the 3.1-kg block is μk = 0.27. Find the magnitude of the acceleration of the masses and the tension in the cord. The incline is at at 30 angle.
October 12, 2011 by Jimmy

Physics
Two packing crates of masses 7.57 kg and 4.51 kg are connected by a light string that passes over a frictionless pulley as in the figure below. The 4.51 kg crate lies on a smooth incline of angle 40.0.
October 5, 2012 by Anonymous

physics
Two racquetballs, each having a mass of 200 g, are placed in a glass jar as shown in in the figure below. Their centers lie on a straight line that makes a 45 angle with the horizontal.
March 31, 2013 by Mike

physics
Two racquetballs, each having a mass of 144 g, are placed in a glass jar as shown in in the figure below. Their centers lie on a straight line that makes a 45 angle with the horizontal.
July 5, 2013 by Anonymous

physics
Two racquetballs, each having a mass of 147 g, are placed in a glass jar as shown in in the figure below. Their centers lie on a straight line that makes a 45 angle with the horizontal.
July 5, 2013 by Anonymous

physics
Panic escape. The figure below shows a general situation in which a stream of people attempt to escape through an exit door that turns to be locked. The people move toward the door at speed vs = 3.7 m/s, are each d = 0.20 m in depth, and are separated by L = 1.75 m. The ...
December 14, 2008 by john

Math
Mary made two rectangular prims figures with four-1 inch cubes. Which statement is true about the volumes and surface areas of the two figures.( there is figure A and figure B made out of four cubes but in different position ) A. The surface areas of Figures A and B are the ...
March 31, 2013 by Anonymous

Maths
Anyone, please help: The figure below, not drawn to scale is made up of a square, a rectangle and a triangle, 1/6 of the square is shaded, 1/5 of the triangle is shaded and 1/4 of the rectangle is shaded. IF THE SHADED AREA IS 7/17 of the shaded area of the triangle, what ...
May 10, 2015 by JJJ.Sarah

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