Horizontal Definition and 960 Threads

Please explain me the toppling giving example of a block on horizontal surface? Is friction necessary? What's its deal with center of gravity?

Homework Statement A liquid is flowing through a horizontal pipe whose radius is 0.02m. The pipe bends staight upward through a height of 10.0m and joins another horizontal pipe whose radius is 0.04m. Homework Equations what volume flow rate will keep the pressures in the two horinontal...

I am a little confused about a histogram of force measurements. I was asked for my physics lab to state what the vertical axis and horizontal axis represent for a histogram of force measurements? the physics lab consists of pulling a wooden block with a force sensor to record the tension...

Homework Statement Some students at Rice University have built their first gazilcher – a large slingshot (operated by five people at once, and capable of launching objects well over 100 meters in distance) constructed from surgical tubing and a cafeteria silverware basket. They wish to...

Homework Statement A mountain climber jumps a crevasse by leaping horizontally with speed v_{o}. If the climber's direction of motion on landing is \Theta below the horizontal, what is the height difference h between the two sides of the crevasse? Homework Equations x=v_{o}t v_{x}=v_{o}...

Homework Statement Find the area under y = 6x3 - 2 for 5 <_ x <_ 10 Homework Equations The Attempt at a Solution I'm not sure how it wants us to do it; do we use sigma notation or the general right/left-hand sums? Using sigma notation, delta T = 10-5/n T0= 5/n (?) T1= 10/n Ti = 5i/n...

ind a horizontal line y=k that divides the area*URGENT QUESTION* Homework Statement Find a horizontal line y=k that divides the area between y=x^2 and y=9into two equal parts. Homework Equations integral b,a, ( f(x) -g(x) ) dx The Attempt at a Solution half of the total area...

thanks

Unless there wind resistance do you always treat the horizontal velocity of a projectile as constant?

Homework Statement An 80 kilogram skier slides on waxed skis along a horizontal surface of snow at constant veloctiy while pushing with his poles. what is the horizontal component of the force pushing him forward? [b]2. Homework Equations [/] is there an equation? The Attempt at a Solution...

Homework Statement Santa is in trouble. His reindeer just made a rough crosswind landing on the snow covered apex of this gingerbread house. Upon impact the hitch breaks free and the reindeer shoot skyward leaving Santa teetering on the very peak. As he slightly shifts the sleigh tilts...

What would be the effect on the results if the venturi meter was not horizontal and why? This is research i must complete before I carryout my experiment and lab report?? Help Plz

Homework Statement A 2.0 kg block on an incline at a 60 degree angle is held in equilibrium by a horizontal force. A) Determine the magnitude of this horizontal force (disregard friction) B) Determine the magnitude of the normal force on the block. I have no idea which equation to use...

Hello,I recently found, yes found a DVD player headunit for a car in the desert. The touch portion of the screen, which was glass, was shattered, but the screen itself was intact. (More or less, save some scratches and the erosion of the matte finish in some areas) I have gone through the unit...

Homework Statement A 0.300 kg hollow sphere is rolling along a horizontal floor at 5.0 m/s when it comes to a 30 degree incline. How far up along the incline does it roll before reversing direction? Homework Equations Kinematics equations? The Attempt at a Solution I didn't...

Homework Statement A projectile is launched with an intial speed of 60m/s. If it reaches a maximum height of 150m above this level surface then its horizontal range (in m) is ____ ? Homework Equations v^{2} = vo^{2} + 2ay y = yo + Vot + 1/2at^2 The Attempt at a Solution Vo =...

Homework Statement Find the vertical and horizontal asymptotes. Homework Equations f(x) = earctan x The Attempt at a Solution Honestly, I am pretty stumped on this problem. I have graphed it on my calculator and messed around a bit, it seems that the horizontal asymptotes are around y =...

Homework Statement The two blocks in the figure oscillate on a frictionless surface with a period of 1.5 s. The upper block just begins to slip when the amplitude is increased to 36 cm. What is the coefficient of static friction between the two blocks? Homework Equations The...

Homework Statement an asteriod with mass 6.6x10^17kg & radius 46km has escape velocity 44ms, but if the projectile is launched horizontally then the escape velocity is only 31ms, show that this is correct Homework Equations Vesc = SQRT (2GM/R) G = 6.67x10^-11 The Attempt at a...

[FONT="Comic Sans MS"]Sorry, I'm a newbie here and didn't know how to start a new thread, so I posted a question in another forum and then figured out how. I'm trying to redirect answers here. I'm arguing with a friend about how a half-Earth would appear from the Moon. Since we see the Moon...

Does this formula for the period of a pendulum work if the pendulum is drawn all the way back to the horizontal? Or does it only work when the angle off the vertical is small enough that its sine is approximately the angle itself? Note that my pendulum is stiff (a beam, not a weighted wire) so...

Why are Horizontal Axis Wind Turbines used more often than vertical axis when it looks like a vertical axis has more of an advantage? Please can you explain it simply?

Homework Statement A small block of mass 0.91 kg slides without friction on a horizontal table. Initially it moves in a circle of radius r0 = 0.63 m with a speed 1.5 m/s. It is held in its path by a string that passes through a small hole at the center of the circle. The string is then...

Homework Statement A cannonball is launched horizontally from the top of a tall cliff with a horizontal speed of 45.0 m/s. The trajectory of the ball is shown in the diagram at the right. Determine the magnitude of the horizontal velocity and the vertical velocities of the cannonball after...

Homework Statement A 4.00 kg block carrying a charge Q=50.0 µC is connected to a spring for which k=100N/m (see diagram). The block lies on a frictionless horizontal track, and the system is immersed in a uniform electric field of magnitude E = 5.00x10^5 V/m, directed as shown. If the block...

At what horizontal velocity would a satellite have to be launched from the top of Mt. Everest (elevation 8848 m) to be placed in a circular orbit around Earth? I'm not sure where I'd start here, any tips?

Homework Statement How much work is required to accelerate a horizontal wheel of mass 1150 kg from rest to a rotational rate of 1 revolution in 5 seconds Homework Equations I = 1/2(m)(r^2) Rotational KE (ie work) = KE2 - KE1 Rotational KE = (1/2)(I)(Omega Squared) The Attempt at a...

Homework Statement The rod is at rest and is released, what is the angular acceleration immediately after release? The pivot is frictionless, gravity is 9.8 m/s^2. Homework Equations Icm = (1/12)ML^2 => Inertia at center of mass, this was given in the problem, i don't think it's necessary...

Homework Statement An object fired with a velocity of Vo covers a verticle distance of 20.0m and a horizontal distance of 25.0m in the 4th second of its motion. Determine the following: a) Its velocity of projection, Vo (the rest I am not going to worry about cos if i get part a) started...

Homework Statement A stopper is being twirled around(horizontal circular motion), that is attached to a pole with a string. What happens to the accuracy of Fnet = 4pi^2mrf^2(uniform circular motion equation) as the frequency of revolution of the stopper increases(assuming other variables of...

Homework Statement A wire CD (mass = 50 g, length = 40 cm) is suspended horizontally by two vertical wires (both at 90 degrees /hanging straight down) which conduct a current I = 8.0 A. The magnetic field in the region is into the paper and has a magnitude 60 mT. Calculate the force on the...

The speed of light in a gravitational field is predicted to vary between the horizontal and the vertical. This prediction comes from the Schwarzschild solution. The vertical speed c = cof The horizontal speed c = coSQRT(f) Where f is 1-2GM/rc2 Because f is smaller than 1, the vertical...

Homework Statement A shell is fired from the ground with an initial speed of 1670m/s at an initial angle of 51° to the horizontal (a) Neglecting air resistance, find the shell's horizontal range. (b) Find the amount of time the shell is in motion. Homework Equations dx=vi+.5at^2...

Homework Statement You throw a ball toward a wall with a speed of 32 m/s at an angle of 40.0° above the horizontal directly toward a wall. The wall is 22.0 m from the release point of the ball. (a) How far above the release point does the ball hit the wall? (b) What are the...

Homework Statement A person slides to third base. The coefficient of kinetic friction between player and the ground is 0.70. His velocity at the start of the slide is 8.23m/s [forward]. Prove that the time it takes the player to come to a stop from sliding is: time = initial velocity divided...

Homework Statement You throw a ball toward a wall with a speed of 32 m/s at an angle of 40.0° above the horizontal directly toward a wall (Fig. 5-33). The wall is 22.0 m from the release point of the ball. (a) How far above the release point does the ball hit the wall? not sure what...

Hello, this was a topic we were discussing in class, but its not mandatory to solve and not for credit so hopefully it's ok to post here: So take a horizontal block of mass M on a spring with length L. If coordinate system is x is positive to the right and spring and block are to the right...

Homework Statement A 0.5kg rock is projected from the edge of the top of a building with an initial velocity of 13.7m/s at an angle 60o above the horizontal. The building is 6.89m in height . At what horizontal distance, x, from the base of the building will the rick strike the ground? Assume...

I am doing physics homework and I came upon a problem that I had forgotten how to do, and i do not believe my answer is correct. I have tried to Google this but failed, can you please tell me if i have done this correct? the question: "4. Give the horizontal and vertical components of...

Homework Statement In a physics lab experiment, a 6.25 kg box is pushed across a flat table by a horizontal force F If the box is moving at a constant speed of 0.400 m/s and the coefficient of kinetic friction is 0.120, what is the magnitude of F? What is the magnitude of F if the...

Homework Statement 0.25-kg skeet is fred at an angle 30 to horizontal with a speed 25m/s. when it reaches tha max. height, it is hit from below by a 15g pellet traveling verticaly upwared at speed of 200m/s. the pellet is embedded to the skeet. 1) how much higher did the skeet go up? 2) how...

Homework Statement i have a problem from an in class lab where i have to find the initial velocity of the ball. given is the horizontal and vertical displacement of the projectile. Dy(height)=100cm Dx(range)=200m 0(theta)= 15degrees. Find the initial velocity.Homework Equations not sure what...

Homework Statement Two blocks connected by a string are pulled across a rough horizontal surface by a force applied to one of the blocks. The acceleration of gravity is 9.8 m/s2 . 1st block = 2 kg 2nd block = 8 kg Force on second block at 52◦ μ = 0.29 [ 2kg ]-------[ 8kg ]/ 52 degrees If each...

Homework Statement The coefficients of static and kinetic friction between a 59 kg box and a horizontal surface are 0.66 and 0.37, respectively. (a) What is the acceleration of the object if a 330 N horizontal force is applied to the box? (b) What is the acceleration if the applied...

the pathway for a mineshaft is described as follows: The first shaft extends north and down at an angle of 3.5 degree for 225ft to a vertical shaft which 125ft long. A third shaft then extends north and down at an angle 6.8 degree for 175ft. What is the total depth below ground level at the end...

what is the initial velocity when: Horizontal displacement= 1.51 Vertical displacement= -.273 angle launched= 36

Homework Statement A 4-kg object sliding at speed 5 m/s along a smooth horizontal surface encounters a rough surface, 1.5 meters wide. The coefficient of kinetic friction over the rough surface is 0.20. After leaving the rough surface, the object continues over smooth surface until it strikes...

Homework Statement I'm supposed to determine the [vertical] coefficient of restitution of a tennis ball, and the horrizontal coefficient of restitution, and if possible produce an equation or ratio connecting the two. Vertical CoR: 0.760 Constant x-component velocity: 0.853 m/s Homework...

Homework Statement A horizontal force F of 16 N pushes a block weighing 6.0 N against a vertical wall (Fig. 5-47). The coefficient of static friction between the wall and the block is 0.61 and the coefficient of kinetic friction is 0.41. Assume that the block is not moving initially. (b)...

Honestly, I am soo confused...And this is the last problem left. If I get it wrong then I'm in trouble. Please help! I don't know what to do at all. A skier squats low and races down a(n) 11 degrees ski slope. During a 5 second interval, the skier accelerates at 2.3 m/s^2. (A) What is the...