Friday

July 31, 2015

July 31, 2015

Number of results: 35,035

**AP Calc B/C**

The base of a solid is the region enclosed by y=x^3 and the x-axis on the interval [0,4]. Cross sections perpendicular to the x-axis are semicircles with diameter in the plain of the base. Write an integral that represents the volume of the solid. I drew a picture, but I ...
*December 15, 2014 by Anon*

**Calculus**

A wedge is cut from a right circular cylinder of radius r by two planes, one perpendicular to the axis of the cylinder and the other making an angle (beta) with the first. Find the volume of the wedge by slicing perpendicular to the y-axis. Please show all steps
*May 3, 2015 by Beam*

**physics**

An asteroid is moving along a straight line. A force acts along the displacement of the asteroid and slows it down. The asteroid has a mass of 4.9 × 104 kg, and the force causes its speed to change from 7600 to 5400 m/s. (a) What is the work done by the force? (b) If the ...
*February 28, 2011 by shaknocka*

**physics**

A 0.145-kg baseball pitched horizontally at 27 m/s strikes a bat and is popped straight up to a height of 38 m. If the contact time between the bat and the ball is 2.35 ms, calculate the average force [exerted by the bat on the ball] during contact. [Let the positive axis lie ...
*February 19, 2013 by m*

**Physics**

Two blocks hang from strings going around pulleys of different diameter that are connected, as shown in the figure. The large pulley has a radius of R = 9.0 cm and and the small pulley has a radius of r = 2.3 cm. The mass of the block that hangs from the small pulley is m = 3....
*February 3, 2013 by Anonymous*

**Physics Please Help Today Part 2**

Here's a pic C:\Documents and Settings\Owner\My Documents\My Pictures\physicspic.jpg 0.0100kg particles have been glued to a rod of Length L=6.00cm and negligible mass and can rotate around a perpendicular axis through point O at one end. How much work is required to change ...
*November 30, 2006 by Dawn*

**Algebra**

Write an equation for an ellipse if the endpoints of the major axis are at (-8,1) and (8,1) and the endpoints of the minor axis are at (0,-1) and (0,3). d= sqrt(x2-x1)^2 +(y1-y2)^2 d= sqrt(8--8)^2 + (1-1)^2 d= sqrt 16 + 0 d= sqrt 256 d= 16
*February 21, 2008 by Jon*

**Calculus**

Let F(a) be the area between the x-axis and the graph of y=x^2cos(x/4) between x=0 and x=a, for a>0 (consider the area to be negative if the graph lies below the axis).
*September 10, 2011 by Catherine*

**Physics**

Can you explain the solutions steps by steps? Because i really dont understand when i revise it now. Thanks. The lines CA & CB are lines of greatest slope of two smooth fixed planes that intersect in a horizontal line through C. AB is horizontal & 5 m long. BC=3m & CA=4m. ...
*September 29, 2008 by Qi*

**Calculus **

I did an experiment where I had to measure how fast water flowed out of a container at different times and with different volumes (from 0mL-1000mL in increments of 50). I also had to record the values into a table and graph them. (I got an exponential function). I got a slope ...
*May 20, 2014 by Liz*

**phyiscal science**

I have to choose one as the greatest of the 4 forces. gravity - weakest weak force - no so it would have to be strong force or electromagnetic force
*November 3, 2007 by liz*

**Physics**

A force of 20 N acts toward the west. Another force acts at the same point so that the resultant of the two forces is zero. What is the magnitude and direction of the second force?
*March 4, 2013 by Shelby*

**Physics**

A box, with a weight of mg = 25 N, is placed at the top of a ramp and released from rest. The ramp measures 4.40 meters horizontally and 3.50 meters vertically. The box accelerates down the incline, attaining a kinetic energy at the bottom of the ramp of 54.0 J. There is a ...
*October 30, 2011 by Jeanne*

**math . . .**

To measure the height of an inaccessible cliff on the opposite side of a river, a surveyor makes the measurements shown in the figure ( one angle is 33.1 & the other i 69.4) . If distance d = 202 meters and Ð b = 50.0°, find the height of the cliff. the diagram is a triangle ...
*March 26, 2010 by Thank You For The Help*

**physics**

I'm just having trouble setting up this problem. It's based on a picture so I'll describe it: There is an open ladder standing on the floor with a person on the third step on one side. There is a crossbar attached to the two sides of the ladder and the floor is frictionless. I...
*December 1, 2010 by Meghan*

**Chemistry**

Shown below are several options for the box notations of the ground state electron configuration of the following gas-phase species. Identify the correct electronic configuration. i. Al2− ii. Mn (a)Select the reason that best explains why the first ionization energy ...
*January 11, 2013 by c*

**Physics-circular force**

A coin is placed 11.0 cm from the axis of a rotating turntable of variable speed. When the speed of the turntable is slowly increased, the coin remains fixed on the turntable until a rate of 31 rpm is reached, at which point the coin slides off. What is the coefficient of ...
*October 28, 2009 by Anonymous*

**Physics**

A Hollywood daredevil plans to jump the canyon shown in the figure on a motorcycle. There is a 15. m drop and the horizontal distance originally planned was 60. m but it turns out the canyon is really 65.7 m across. If he desires a 3.1-second flight time, what is the correct ...
*September 12, 2010 by Emily*

**science**

What can force do? Force causes a body to change speed — to either accelerate or decelerate. See the following site: http://en.wikipedia.org/wiki/Force I hope this helps. Thanks for asking.
*July 19, 2006 by bernice*

**Math**

Suppose there is a cow that is tied to the corner of a barn with a rope as shown in the figure below. One side of square barn measures 50 yards and all the doors on the barn are closed, so the cow cannot enter the barn (he must walk around the sides only). How large of an area...
*April 24, 2014 by Kenny*

**physics**

Posted by norm on Monday, March 15, 2010 at 9:21am. What is the minimum downward force on the box in the figure that will keep it from slipping? The coefficients of static and kinetic friction between the box and the floor are 0.30 and 0.20, respectively. Box weighs 30 kg with...
*March 15, 2010 by norm*

**Honors Chemistry**

I'm doing what's called "test repair" for my class where we correct the answers we got wrong on the test. In order to get points back, however, we have to explain WHY that answer is the correct one. Can someone help me with these? 39. Nuclear forces exist because the particles...
*September 22, 2009 by Emily*

**physics**

The eye of a hurricane passes over Grand Bahama Island. It is moving in a direction 60.0° north of west with a speed of v1 = 42.0 km/h. Exactly three hours later, the course of the hurricane shifts due north, and its speed slows to v2 = 24.0 km/h, as shown in Figure 3-30. How ...
*September 11, 2010 by stef*

**math,correction**

Simplify by combining like terms. Problem #32 radical (63) - 2 radical (28) + 5 radical (7) My answer: 4radical(7) Problem #50 Find the perimeter of the triangle shown in the figure. leg 1 = radical (5) - radical (3) leg 2= radical (5) + radical (3) Hypotenuse= 4 My answer: p...
*March 21, 2007 by jasort20*

**physics**

there are 3 parts to my question. i need help on the last part. 1.a. A child rides a bike in a circular path with a radius of 2.0 m. The tangential speed of the bike is 2.0 m/s. The combined mass of the bike and the child is 43 kg. What is the magnitude of the bike's ...
*February 21, 2009 by Bella*

**Physics**

Someone posted the question below, stating that they knew the answer to part A but needed help with part B. Well even with the answer for A, I can't figure it out! Can you take a step back from the question below to show me the steps for solving part A? I've been working on ...
*October 14, 2008 by Anna*

**Check Answers Quick -Physics**

What causes the centripetal acceleration of an electron in a hydrogen atom? electrical attraction gravity friction <-- tension Question 2. Which of the following terms might a jet pilot use to describe a force that presses him against his seat during a high-speed turn? ...
*December 16, 2013 by Greg*

**Physics help--explosion**

Figure 9-56 shows a two-ended "rocket" that is initially stationary on a frictionless floor, with its center at the origin of an x axis. The rocket consists of a central block C (of mass M = 6.00 kg) and blocks L and R (each of mass m = 2.90 kg) on the left and right sides. ...
*December 2, 2006 by fizzix*

**AP Calc for Reiny **

You did just fine and your second derivative is correct, if you meant (6y^2 - 4x^2)/(9y^3) except they took it a bit further. notice your numerator is -4x^2 + 6y^2 from the original 2x^2 - 3y^2 = 4 , then 4x^2 - 6y^2 = 8 , and -4x^2 + 6y^2 = -8 to get their -8/9y^3 If you were...
*November 6, 2012 by Sanya *

**AP Calc for Reiny**

You did just fine and your second derivative is correct, if you meant (6y^2 - 4x^2)/(9y^3) except they took it a bit further. notice your numerator is -4x^2 + 6y^2 from the original 2x^2 - 3y^2 = 4 , then 4x^2 - 6y^2 = 8 , and -4x^2 + 6y^2 = -8 to get their -8/9y^3 If you were...
*November 6, 2012 by Sanya *

**Physics help**

In Millikan's experiment, an oil drop of radius 1.516 µm and density 0.860 g/cm3 is suspended in chamber C (Figure 22-14) when a downward-pointing electric field of 1.92 105 N/C is applied. Find the charge on the drop, in terms of e. (Include the sign.) Calulate the mass of ...
*February 15, 2007 by Frank*

**physics**

Two point charges are placed on the x axis as follows: Charge q1= +4.00 nC is located at x= 0.200 m, and charge q2= +5.00nC is at x= -0.300 m. What are the magnitude and direction of the net force exerted by these two charges on a negative point charge q3= -0.600 nC placed at ...
*January 21, 2008 by Jen*

**algebra 1**

Suppose y varies directly as x and that y = 21 when x = 3. Find the value of y when x = 5. Would I be wrong if I said y = 35? In using y = kx with the 21 and the 3 k = 7. So if y = 35 and x = 5 then k = 7. Am I correct or am I way off course?
*March 15, 2009 by Dippy*

**college algebra**

Write formula that expresses the relationship described by each statement. Use k for the constant in each case. m varies directly as p.
*April 23, 2010 by BJ*

**Algebra II**

Assuming that y varies directly as the fourth power of x, fill in the missing values in the table of ordered pairs. x 18.3 74.5 ? y 29.6 ? 155
*November 16, 2011 by Arielle Guidry*

**algebra**

Determine whether y varies directly with x. If so find the constant of variation k and write the equation. x y 7 11 8 13 9 15 10 17 Can someone please help me and explain
*September 19, 2012 by brandon*

**physics**

The position of an object connected to a spring varies with time according to the expression x = (6.2 cm) sin (9.1ð t). Find (a) the period of this motion
*November 26, 2012 by Anonymous*

**pre calculus**

Express statement as an equation. Use the given information to find the constant proportionality z varies inversely as t. If t 3, then z 5.
*May 1, 2014 by Danielle*

**Algebra**

Find a mathematical model representing the statement. (Determine the constant of proportionality.) v varies jointly as p and q and inversely as the square of s. (v = 2.1 when p = 4.2, q = 5.4 and s = 2.4.) v =
*November 25, 2014 by angie*

**english**

All of us have different stand on what to believe in and it varies because it depends on one’s life experiences. is my sentence right?
*July 8, 2015 by jay*

**accounting**

Which of the following is not one of the steps to follow when preparing a bank reconciliation statement? A. Compare the amounts of deposits in the bank statement with the amounts shown in your accounting records. B. Compare the amounts of canceled checks with the amounts shown...
*May 30, 2008 by himaat*

**physics**

A string is hanging from the rearview mirror of you car and a ball is at the end of this string. Suppose that you drive around a circular track at fixed speed. Which list below gives all the forces that act on the ball? A) tension and the force of gravity b) tension force of ...
*November 23, 2009 by julia*

**Physics help please**

A crate is dragged 5.0 along a rough floor with a constant velocity by a worker applying a force of 125N to a rope at an angle of 30degrees to the horizontal. Calculate the work done by the tension in the rope, the force of friction, and the net force. I know the work don on ...
*December 5, 2013 by K*

**physics**

1. a force of 30n with a direction of 35 degrees northwest acts on point p. Find: a) the northward component on the force b) the westward component of the force Please show work. Thanks!
*June 21, 2011 by Molly*

**math**

A right circular cylinder of radius r and height h is inscribed in a right circular cone of radius R and height H, as shown on the right figure. Find the value of r (in terms of R and H) that maximizes the total surface area of the cylinder (including top and bottom). Comment ...
*August 11, 2012 by deel*

**English**

Please read the following excerpt from an essay, and answer the question that follows. Biologically, adolescence is marked by hormonal changes that produce secondary sexual characteristics. These include breast development in females and beard growth in males. Psychologically...
*March 23, 2015 by Jesica*

**college physics**

a 1.0 N-weight is hanging at rest as shown. In each case, write in the magnitude of the unknown force. a) chain with a weight of 2.5 N has a 1.0 N hanging weight b) chain with a weight of .5 N has a 1.0 N hanging weight c) stretched elastic band with negligible weight has a 1....
*March 8, 2012 by Amber*

**physics**

A block of mass 2.50 kg is pushed 2.80 m along a frictionless horizontal table by a constant 12.0 N force directed 25.0° below the horizontal. (a) Determine the work done by the applied force. J (b) Determine the work done by the normal force exerted by the table. J (c) ...
*October 10, 2012 by monic*

**physics**

A block of mass 2.50 kg is pushed 2.80 m along a frictionless horizontal table by a constant 12.0 N force directed 25.0° below the horizontal. (a) Determine the work done by the applied force. J (b) Determine the work done by the normal force exerted by the table. J (c) ...
*October 12, 2012 by monic*

**Physics :(( help please TT**

A source of ions at point O produces a slightly diverging beam with half-angle of divergence α0≪1. In order to collimate (re-focus) the beam, one can apply a uniform magnetic field along the z-axis (see the figure below). If all the ions have the same initial ...
*April 16, 2013 by OIan*

**math (geometry)**

It says: Find the area of a rectangle with length 12 inscribed in a circle with radius 7.5. I know when they're talking about a radius with a figure, they're talking about the length between the center of the circle to a corner of the figure. But that usually works only with a...
*March 16, 2008 by Emily*

**word problem**

a computer company gives a discount of 10% on a new piece of software.If it makes a 40% profit what percentage does the marked price exceed the cost price
*February 5, 2011 by jeff *

**math**

Jim bought two shirts that were originally marked at $40 each. Once shirt was discounted 20% and the other was discounted 25%. The sales tax was 4.5%. How much did he spend in all?
*March 7, 2011 by Tanesha*

**Japanese**

What's the difference between wa and ga? The particle wa indicates that the noun preceding it is the topic of the sentence. In most of the model sentences given, the subject and the topic of each esntecnce coincide; however, the topic may or may not be identical witht the ...
*May 3, 2007 by Ashley*

**physics**

two girls exeret a force of 30 N and 10 N on a bag in same direction. a dog tugs at bag and drag it in oppsite direction with the force of 5 N. calculate the new force exerted on bag and draw a vector diagram. F= 10+30 = 40 N dog applied force in opposite direction with 5 N ...
*December 21, 2014 by ruby*

**physics**

Two 2.3 kg balls are attached to the ends of a thin rod of negligible mass, 65 cm in length. The rod is free to rotate in a vertical plane about a horizontal axis through its center. With the rod initially horizontal as shown, a 44 gm wad of wet putty drops onto one of the ...
*November 16, 2010 by Putty wad*

**Math 7 - Homework Question Check **

12. Is the figure below a right triangle? On the lines below, explain how you determined your answer. Answer - The figure below is not a right triangle. The reason why it's not a right triangle is because this figure is a acute angle. Acute angle is less than 90 degrees and ...
*April 16, 2012 by Laruen *

**Physics**

30. A truck of mass 2250 kg is used to pull a 330 kg trunk out of an old quarry as shown below. There is 550 N of rolling resistance for the truck. Ignore mass and friction of the pulley. (a) If the trunk is accelerated upward at 2.00 m/s2 what is the minimum amount of ...
*October 19, 2012 by Liz*

**Physics**

As shown in the figure below, cars #1 and #2 are sliding across a horizontal frictionless surface. The cars are equipped with a coupling arrangement similar to the one on railroad cars. Car #1 overtakes car #2 and they have a totally inelastic collision and become coupled ...
*January 12, 2015 by Anonymous*

**Economics**

Graph A New Equilibrium: Y axis represents Quantity (hours per semester) 0, 25, 50, 75, 100, 125, 150 X axis represents Price of Tutoring (per hour) 0, 5, 10, 15, 20, 25, 30, 35, 40, 45, $50 Question: Determine the approximately size of market surplus or shortage that would ...
*November 4, 2012 by Sanford*

**calculus**

Find the volume of the solid generated by revolving the region about the given line. The region in the second quadrant bounded above by the curve y = 16 - x2, below by the x-axis, and on the right by the y-axis, about the line x = 1 I have gathered, that washer method is to be...
*April 12, 2013 by Tiffany*

**physics**

The leg and cast in the figure below weigh 260 N, with the center of mass as indicated by the blue arrow in the diagram. The counterbalance w1 weighs 125 N. Determine the weight w2 AND the angle α needed so that no force is exerted on the hip joint by the leg plus cast.
*September 27, 2010 by K*

**physics**

The leg and cast in the figure below weigh 260 N, with the center of mass as indicated by the blue arrow in the diagram. The counterbalance w1 weighs 125 N. Determine the weight w2 AND the angle α needed so that no force is exerted on the hip joint by the leg plus cast.
*September 27, 2010 by K*

**Physics**

A man is pulling on a rope with a force of 97 N directed at an angle of 68 degrees to the horizontal. What is the x-component of this force? What is the y-component of this force?
*September 11, 2011 by Milan*

**Trig**

Force 1= 65 pounds , Force 2=90 pounds find the angle between the forces? magnitude of the resultant force= 70lbs
*April 16, 2014 by Anonymous*

**Physics**

Vector A has a magnitude of 18 (in some unspecified units) and makes an angle of 25 with the x axis, and a vector B has a length of 24 and makes an angle of 70 with the x axis. Find the components of the vector C in the following: (a) C = A + B Cx = Cy = (b) C = A - B Cx= Cy=
*August 25, 2011 by Logan*

**Physics**

A long wire carries a current of 20 A along the directed axis of a long solenoid. The field due to the solenoid is 4 mT. Find the field at a point 3 mm from the solenoid axis.
*December 12, 2012 by Maryam*

**Physics**

A long wire carries a current of 20 A along the directed axis of a long solenoid. The field due to the solenoid is 4 mT. Find the field at a point 3 mm from the solenoid axis.
*December 12, 2012 by Maryam*

**Parabola ques**

the normal to a parabola y^2=4ax at the point t,where t is not 0 meets the curve again at the point t'.find t' in terms of t.determine a point on the x-axis where the tangent at t' meets the x-axis.
*January 25, 2015 by Shanu*

**science**

When you first release the contraption and the egg, the force of gravity is pulling on the egg as it going to the ground. Which the force of the air resistance is trying to push up on the egg. The net force of the falling egg is equal to the air resistance. As the speed is ...
*April 13, 2010 by Anonymous*

**Chemistry**

Im having trouble on a question Im not sure what it is they are asking for. A voltaic cell similar to that shown in Figure 20.5 is constructed. One electrode compartment consists of a silver strip placed in a solution of AgNO3, and the other has a iron strip placed in a ...
*May 10, 2011 by Hannah*

**Physics**

Two blocks of masses m1 = 2.00 kg and m2 = 3.70 kg are each released from rest at a height of h = 5.60 m on a frictionless track, as shown in the figure below, and undergo an elastic head-on collision. (Let the positive direction point to the right. Indicate the direction with...
*October 29, 2012 by Jessica*

**Physics**

Two blocks of masses m1 = 2.00 kg and m2 = 3.70 kg are each released from rest at a height of h = 5.60 m on a frictionless track, as shown in the figure below, and undergo an elastic head-on collision. (Let the positive direction point to the right. Indicate the direction with...
*October 29, 2012 by Jessica*

**physics**

The system shown in the figure below consists of a m1 = 5.52-kg block resting on a frictionless horizontal ledge. This block is attached to a string that passes over a pulley, and the other end of the string is attached to a hanging m2 = 2.76-kg block.The pulley is a uniform ...
*March 24, 2013 by Nicole*

**physics**

The system shown in the figure below consists of a m1 = 5.52-kg block resting on a frictionless horizontal ledge. This block is attached to a string that passes over a pulley, and the other end of the string is attached to a hanging m2 = 2.76-kg block.The pulley is a uniform ...
*March 24, 2013 by Nicole*

**physics**

The system shown in the figure below consists of a m1 = 5.52-kg block resting on a frictionless horizontal ledge. This block is attached to a string that passes over a pulley, and the other end of the string is attached to a hanging m2 = 2.76-kg block.The pulley is a uniform ...
*March 24, 2013 by Nicole*

**physics**

The system shown in the figure below consists of a m1 = 5.52-kg block resting on a frictionless horizontal ledge. This block is attached to a string that passes over a pulley, and the other end of the string is attached to a hanging m2 = 2.76-kg block.The pulley is a uniform ...
*March 24, 2013 by Nicole*

**physics**

The system shown in the figure below consists of a m1 = 5.52-kg block resting on a frictionless horizontal ledge. This block is attached to a string that passes over a pulley, and the other end of the string is attached to a hanging m2 = 2.76-kg block.The pulley is a uniform ...
*March 24, 2013 by Nicole*

**physics**

The system shown in the figure below consists of a m1 = 5.52-kg block resting on a frictionless horizontal ledge. This block is attached to a string that passes over a pulley, and the other end of the string is attached to a hanging m2 = 2.76-kg block.The pulley is a uniform ...
*March 24, 2013 by Nicole*

**algebra**

Could someone show me how to solve this joint variation problems? Y varies jointly as x and y and inversely as w. Write the appropriate combined variation equation and find z for the given values of x, y and w. z=15 when x equals three, y equals four, and w equals nine, x ...
*December 8, 2008 by Juliette*

**Chemistry**

What is the likely source of error from reading a graph where the absorbance (y-axis) versus concentration (x-axis) shows non-deal behaviour. The graph is going in what looks like a line of best fit but then curves off a the end. At the end of the graph there is a curve and it...
*March 27, 2012 by Ellen*

**Physics**

I got two questions Three blocks on a fricitonless horizontal surface are in contact with each other a force F is applied to block 1 mass m1 Draw a free body diagram for each block ok done the accelration of the system (in terms of m1, m2, and m3) ok done I got a = (m1 + m2 + ...
*July 12, 2009 by Physics*

**college level physics**

a 40 kg skier skis down a frictionless slope angled at 10 degrees to the horizontal. Assume the skier moves in the negative direction of an x axis along the slope. A wind force with component Fx acts on the skier. What is Fx is the magnitude of the skier's velocity is (a) ...
*October 19, 2008 by jane*

**mitx**

Consider a flat plate in a supersonic flow at an angle of attack as shown in the figure above, and assume the flow is inviscid. We will learn later in the course that the resulting flow is such that the pressure is uniform on both the upper surface and lower surface of the ...
*September 29, 2013 by Anonymous*

**physics**

Lauren was driving north on Hwy 75 with a speed of 46.7 m/s when she heard on a CB that a patrolman was hiding 112.7 m north of where she is. Knowing that the patrolman can start clocking the car in 2.9 seconds, Lauren decided to slow to 27.5 m/s. and immediately pressed on ...
*September 2, 2011 by Jeon*

**Physics**

Paleontologists estimate that if a Tyrannosaurus rex were to trip and fall, it would have experienced an upward normal force of approximately 261,100 N acting on its torso when it hit the ground. Assume the torso has a mass of 3700 kg. Assuming the torso is in free fall for a ...
*January 18, 2010 by Robert C*

**physical science**

An input force of 20 newtons is applied to a lever at a distance of 2 meters from the fulcrum. An object 0.5 m away from the fulcrum (and on the other side) is lifted by the 20-N force. What is the output force? A. 10 N B. 20 N C. 40 N D. 80 N
*June 16, 2015 by tetianna*

**Physics**

Three identical masses of 700 each are placed on the x axis. One mass is at = -100 , one is at the origin, and one is at = 370 . What is the magnitude of the net gravitational force on the mass at the origin due to the other two masses? Take the gravitational constant to be = ...
*February 7, 2013 by Tamar*

**physics**

A uranium nucleus 238U may stay in one piece for billions of years, but sooner or later it decays into an a particle of mass 6.64×10^−27 kg and 234Th nucleus of mass 3.88 × 10^−25 kg, and the decay process itself is extremely fast(it takes about 10^−20 s). ...
*January 16, 2010 by Anonymous*

**algebra**

Solve. Leave the answers in terms of pi ?. a)Find a polynomial for the sum of the areas of the circles shown in the figure. b)Find the sum of the areas when r = 5 and r = 11.3. this is what I got but I did not do it right. I needed to To write an expression for the sum, i need...
*July 20, 2012 by Anna*

**algebra**

Solve. Leave the answers in terms of pi ?. a)Find a polynomial for the sum of the areas of the circles shown in the figure. b)Find the sum of the areas when r = 5 and r = 11.3. this is what I got but I did not do it right. I needed to To write an expression for the sum, i need...
*July 21, 2012 by Anna*

**physics**

3. Calculate the magnitude of the force required to cause an anterior dislocation of the glenohumeral joint given that he force has a lever arm of 52 cm, the maximum magnitude of the resistance force is 1080 N and the resistance force has a lever arm of 4.3 cm.
*December 5, 2012 by dmkp*

**physics**

3. Calculate the magnitude of the force required to cause an anterior dislocation of the glenohumeral joint given that he force has a lever arm of 52 cm, the maximum magnitude of the resistance force is 1080 N and the resistance force has a lever arm of 4.3 cm.
*December 5, 2012 by dmkp*

**physics**

Calculate the magnitude of the force required to cause an anterior dislocation of the glenohumeral joint given that he force has a lever arm of 52 cm, the maximum magnitude of the resistance force is 1080 N and the resistance force has a lever arm of 4.3 cm.
*December 7, 2012 by dmkp*

**biomechanics**

Calculate the magnitude of the force required to cause an anterior dislocation of the glenohumeral joint given that he force has a lever arm of 52 cm, the maximum magnitude of the resistance force is 1080 N and the resistance force has a lever arm of 4.3 cm.
*December 12, 2012 by dmkp*

**physics**

3. Calculate the magnitude of the force required to cause an anterior dislocation of the glenohumeral joint given that he force has a lever arm of 52 cm, the maximum magnitude of the resistance force is 1080 N and the resistance force has a lever arm of 4.3 cm.
*February 8, 2015 by kkuh*

**Physics**

we have a test coming up and I cannot figure out the practice question. Can somebody please help? Aaron throws a 7.5 kg bowling ball by applying a 45 N force for a time of 0.90seconds. What is the impulse Aaron applies to the ball? What is the ball's speed at the end of this ...
*June 21, 2013 by Amalia*

**Physics**

A 2.42kg block starts from rest at the top of a 22.9◦ incline and accelerates uniformly down the incline,moving 2.41m in 2.14s. The acceleration of gravity is 9.81m/s2. a) What is the magnitude of the acceleration of the block? Answer in units of m/s2 b) What is the coe...
*October 21, 2012 by Alex*

**physics**

In the figure below, a constant force of magnitude 82.0 N is applied to a 2.55 kg shoe box at angle = 64.5°, causing the box to move up a frictionless ramp at constant speed. How much work is done on the box by a when the box has moved through vertical distance h = 0.180 m?
*October 14, 2012 by Anonymous*

**Physics **

a 1.0 N-weight is hanging at rest as shown. In each case, write in the magnitude of the unknown force. a) chain with a weight of 2.5 N has a 1.0 N hanging weight b) chain with a weight of .5 N has a 1.0 N hanging weight c) stretched elastic band with negligible weight has a 1....
*March 11, 2012 by Brandon *