What is Vertical: Definition and 1000 Discussions

Homework Statement A truck (mass 12000 kg) carries a load of 16000kg. What vertical force is exerted on the road by each wheel assuming the mass is uniformly spread? Homework Equations F=ma[/B]The Attempt at a Solution 12000kg+16000kg=28000kg total mass 28000/4=7000kg to get mass on each...

Let's say I have a stone tied to a string and I'm spinning it vertically. Now, if I provide an initial velocity such that the velocity of the stone = 0 at an angle greater than 0 from the horizontal(visualize it in the "first quadrant") the eq of motion would be: T+mgsin (theta) = mv^2/r. If the...

Homework Statement Question 8 Homework Equations E=(kx^2)/2 E=(Iw^2)/2 I=(ml^2)/3 The Attempt at a Solution I don't know how to start to solve the problem, because I don't really know which part should I refer to. First I use the energy. So the energy stored in the spring will converted to...

Homework Statement [/B] Suppose I have a stationary object of mass 'm' and I want to apply a momentary force in the vertical direction so that it just reaches the height 'h'. So how do I calculate the impulse required in this case? Also how do I exactly define the delta(t) for the momentary...

When I enter math like \(x^2\) I often get a vertical bar shown to the right of my math when I print the document or view it on screen. Something like this: \(x^2|\) I get this both on this site and also when I write HTML using mathjax. When I preview this post I don't get the vertical bar...

Homework Statement What is the minimum speed that a glider must fly in order to make a perfect vertical circle in the air if the circle has a radius of 200.0 m? Homework Equations Fc = mv2 / r V = 2(Pi)r / T The Attempt at a Solution I have drawn the free body diagram and I think that the...

Homework Statement Fireman weighs 100kg. He slides down a vertical pole with acceleration 3.0ms^-2. a) Magnitude and direction of vertical force exerted by the pole on fireman? Homework Equations f=ma The Attempt at a Solution [/B] f=ma f=100(3.0) f=300N vertically up. But the answer says...

Homework Statement Fireman weighs 100kg. He slides down a vertical pole with acceleration 3.0ms^-2. a) Magnitude and direction of vertical force exerted by the pole on fireman? Homework Equations f=ma The Attempt at a Solution f=ma f=100(3.0) f=300N vertically up. But the answer says that...

I wish to create a state-of-the-art vertical wind tunnel for indoor skydiving. By state-of-the-art I mean using green technology to create the power necessary to push air, and I would like to reclaim as much energy I can from the movement of air, drive shafts, and anything else I have not...

I've been bothered about this for a while now. As a volleyball player, I am constantly looking for ways to increase my vertical. So, my question is: Will an increase in muscle mass decrease my vertical? On one hand, I am getting stronger and therefore should be able to push harder off the...

In an inverse variation equation, what are the asymptotes and how do you find them? For example, I was given the equation: y= [1 \ (x - 3)] - 6 and asked to find the vertical and horizontal asymptote. I don't really understand what they are and why y= -6 and x=3. Thanks for any help!

Since the latex is not appearing, I request you to please click https://brilliant.org/discussions/thread/time-period-of-vertical-circular-motion/ , to view with complete formatting. Please help. Thanks. P.S-This is not schoolwork or homework...

Homework Statement Find Miller indexes of the vector that is vertical to the layer (211). Homework Equations Unknown. The Attempt at a Solution I'm not quite sure how to do this. The only thing I came up until now is to invert the numbers (so that I get 1/2, 1 and 1) and then find the vector...

Homework Statement (see attached diagram) Homework Equations (see attached diagram) The Attempt at a Solution I drew a diagram.What I know. Left part of rope is fixed to ceiling so extra rope comes 'from the right' i.e. 'falls down' as pulley is pulled. I also know that rope is conserved.

Homework Statement Below are attached 2 beams, A and B. I have to calculate the vertical and horizontal reactions at both supports in both questions. I have done a lot of calculations and believe I have a good understanding of what is needed to be done however my forces are not balancing for...

Homework Statement Homework Equations w = √k/m w = 2π/P ƒ = 1/P The Attempt at a Solution I feel like I'm so close to the answer, I think it has something to do with the fact that there's a spring and pulley in the system that is throwing my answer off. I have √k/m = 2π/P So, P =...

Homework Statement Two blocks m (16kg) and M (88kg) are as shown in the figure. If the co-efficient of friction b/w the blocks is 0.38 but the surface beneath the block is frictionless, what is the minimum force required to hold m against M? Homework Equations Fnet = ma Fs = μs*Fa The...

This is not homework, but something work-related. However, I will post it here since it's homework-relatable. 1. Homework Statement Known variables: Qin , A (and obviously the diameter D of the pipe as well as g = 9.81 m/s2). The pipe outlet and the top of the tank is at atmospheric...

Homework Statement Mass ##M## hangs from a string of length ##l## which is attached to a rod rotating at constant angular frequency ##\omega##. The mass moves with a steady speed in a circular path of constant radius. Find ##\alpha##, the angle the string makes with the vertical. Homework...

I am running a general circulation model (EPIC, which uses isentropic vertical coordinate system, potential temperature) and need to add vertical diffusion to the zonal velocity U. The vertical coordinate is theta (Θ, potential temperature) and there is no vertical height coordinate in z but I...

Why can't we adopt Vertical Take Off (VTO) and vertical landing in commercial aircraft?

hi there! i can't quite recall the formula for vertical velocity and who to easily factor the polynomials. Help anyone? here's my example problem: A cricket jumps off the ground with an initial vertical velocity of 4 ft per second. A. write an equation that gives the height (in feet) of the...

Homework Statement in the second picturre, why the zs1 and zs2 is calculated by using 2m and 0.6m respectively ? it should be 0.8m , am i right ? what's the purpose of the author to use 2m and 0.6m ? Homework EquationsThe Attempt at a Solution

Is it possible (practical/efficient) to utilize ramjet (or scramjet) on a vertical rocket? By this I mean would it be at all practical to make a vertically traveling rocket which partially uses ramjet as a method of propulsion, or is there some property of ramjet propulsion that makes this...

Homework Statement why the vertical rise of the surface is given by the formula as shown in the notes ? shouldn't it = Δs = (g +az ) Δx / ax ? Homework EquationsThe Attempt at a Solution

Homework Statement How do we find the motion equation and more specifically the motion equation of something with a mass $m$ in the vertical plane along a cylindrical path of radius $R$, (Translation: A point of mass $m$ slides frictionless in the vertical plane along a cylindrical path of...

"For a particular flow rate, the pressure drop due to the downward flow of the fluid is balanced by the pressure gain due to gravity—that is, at this flow rate, the static pressure in the pipe is independent of the distance along the pipe." Book says this. Can you explain how the pressure...

The original interferometer experiments -- Michelson-Morley, Miller, etc. -- were all done parallel to the Earth's surface. Have any been done vertically?

Homework Statement The offset cantilever beam, ABCD, is fabricated from structural steel. Es = 30,000,000 lbs/in2, I = 60 in4. A load of 2000 lbs is placed at point D. Neglect the weight of the beam. Determine the horizontal and vertical deflection at D with respect to A in inches. Homework...

For a vertical circular motion, its standard to solve for tension at the 4 common points on the circle (North, South, East, West) My question is, is it possible to solve for tension at other locations? Example :https://www.dropbox.com/s/c4q1sprphol2tzb/20151127_020345.jpg?dl=0 Can i resolve...

Homework Statement Tarzan plans to cross a gorge by swinging in an arc from a hanging vine. If his arms are capable of exerting 1350 N on the vine, what is his acceleration at the point where the vine makes an angle of 45 degrees from the vertical assuming maximum speed at this point. His mass...

Homework Statement A block is held between two walls. One static, one applying a force. If the block weighs 5kg, and the coefficient of static friction between each wall and the block is 0.4, what horizontal force is required by the wall applying it? Do both walls contribute an equal vertical...

Homework Statement The mountain rescue officers trigger the avalanche by firing a gun at a distant mountain slope. The muzzle velcoity of the gun is 225m/s. The horizontal and vertical distance from the gun to the slope is x=1,072m and y=538m respectively. Find the lowest angle between the...

Homework Statement The mass of a car that acts on one wheel is 100 kg. The elasticity (spring) constant in the suspension system of that wheel is k = 10^4N/m. Design the strut (find the friction/resistance constant c) such that any vertical motion of the wheel (set up for example by going over...

What would be the appropriate mechanism such that when the eccentric circle is rotating about the larger center circle the table stays horizontal? The large circular is the driver (its continuously rotating)

Homework Statement I want to find an expression for the eigenfrequencies of a vertical spring-mass-spring-mass system by using the potential energy V and kinetic energy T in matrixform. Both springs have the springconstants k, and both masses are m. The springs unstretched length are l. I have...

Homework Statement I've encountered an answered problem in this book titled, "Physics for Scientists and Engineers with Modern Physics, 9th Ed" by Serway at page 187. So there is a spring which is hung vertically. 1. The first condition was the spring at an equilibrium state (ΔX=0) 2. The...

Since the time of Darwin, biologists have looked at the history of life as a tree showing how the common ancestor of all life gave rise to all extant species. However, as we have learned more about biology, we've found that organisms do not inherit genetic information from only their direct...

So, I've already answered parts (b) and (c), but I'm struggling with (d). Thanks in advance for any help! 1. Homework Statement "A woman throws a ball at a vertical wall d = 6.0 m away. The ball is h = 3 m above ground when it leaves the woman's hand with an initial velocity of 16 m/s at 45°...

For this we need a thought experiment: imagine you're on a gedanken planet manning a gedanken laser cannon, and it's pointing straight up. The light doesn't curve round, or slow down as it ascends, or fall down. It goes straight up. Now let's keep you safe in a bubble of artistic licence, and...

Homework Statement Homework Equations Can someone please help me with this question? These are the formulas you can use http://www.sqa.org.uk/files_ccc/PhysicsSQPN5RelationSheet.pdf Thanks

Can you explain why cosine theta is vertical, and sin theta is horizontal on this example? I am confused.

Homework Statement A ball is thrown vertically upwards and caught by the thrower on its return. Sketch a graph of velocity (taking the upward direction as positive) against time for he whole of its motion, neglecting air resistance. How, from such a graph, would you obtain an estimate of the...

Homework Statement [/B] Your niece finds her father's watch. The light watch chain has a length of 48 cm, and the mass of the watch is 270 g. Your niece swings the watch in a vertical circle, maintaining the speed of the watch at 2.3 m/s. Find the tension in the chain when it makes an angle of...

Hi, I am designing a vibrating platform that will move strictly up and down (total displacement of 1 inch). The load on the platform will vary between 0 and 160kg. The mechanical assembly/mechanism (which is underneath the platform) is motor>belt>flywheel>crank attached to a 1 inch shaft long...

I keep getting this question wrong, and I am struggling to understand why this is. Homework Statement Homework Equations F = p*A Ap = π*r2 The Attempt at a Solution Denoting patm as atmospheric force, and p0 as pressure inside the cylinder. Firstly, a force balance on the system. Force UP =...

Homework Statement Sam heaves a shot with weight 16-lb straight upward, giving it a constant upward acceleration from rest of 45.4 m/s^2 for a height 65.0 cm . He releases it at height 2.16 m above the ground. You may ignore air resistance. Q-What is the speed of the shot when he releases it...

Let's say a light beam is sent towards a planet from far away. On the surface of the planet no measurement can ever tell that the light beam is approaching, until the light beam has arrived, because information can not travel faster than the light beam. Now at the moment when the light beam is...

I'm trying to figure out what the vertical bars in |A∪B| mean given that A and B are both sets. I tried searching for it, and can't seem to find the meaning of it. Is it supposed to be absolute value of all the elements of the union of sets A and B?