What is Vertical: Definition and 1000 Discussions

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 https://wug-s.physics.uiuc.edu/cgi/courses/shell/common/showme.pl?cc/DuPage/phys2111/fall/homework/Ch-08-GPE-ME/mass_vertical_spring/7.gif A spring with spring constant k = 45 N/m and unstretched length of L0 is attached to the ceiling. A block of mass m = 1.5 kg is...

Homework Statement A ball rolls off a table with a horizontal velocity of 5 m/s. If it takes 0.6 seconds for it to reach the floor what is the vertical component of the ball's velocity just before it hits the floor? (use g= 10 m/s^2) The second part of the question is what is the...

Hi guys, I need some help with my physics lab I've got to do tomorrow. The thing is that I have been assigned to do this lab today so I only had 1 day to take these measurements and to prepare what i have. I'm in AP Physics B. Here goes. Basically my teacher wants us to find what the minimum...

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...

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

Two blocks each of mass m = 3.50 kg are fastened to the top of an elevator as in the figure below.--- this is a horizontal version because I am on a comp. [top of elevator]--string1--[block #1 3.5kg]--string2--[block #2 3.5kg] (a) If the elevator accelerates upward at 1.6 m/s2, find the...

The height of a helicopter above the ground is given by h = 3.50t^3, where h is in meters and t is in seconds. After 1.85 s, the helicopter releases a small mailbag. How long after its release does the mailbag reach the ground? (Ans. in s.) (1) y-y0=v0t+1/2*gt^2 (2) v^2=v0^2+2g(y-y0)...

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...

Hello there, Could some one help me to find equations of motions of this problem attached to this message? thanks a lot Niko

Homework Statement A ranch hand sitting on a tree limb wishes to drop vertically onto a horse galloping under the tree at the speed of 9.28 m/s and the distance from the limb to the saddle is 3.84m. a) What must be the horizontal distance (m) between the saddle and the limb when the ranch...

Homework Statement http://www.grabup.com/uploads/7800261909D120091B14DB13F106.png That's an image I have made of the diagram we are given. T1 and T2 are tension 1 and [/i]tension 2[/i] respectively. I need to work out the length of those by: a). Maths b). Scale Drawing Homework Equations...

Homework Statement A person looking out the window of a stationary train notices that raindrops are falling vertically down at a speed of 8.7 m/s relative to the ground. When the train moves at a constant velocity, the raindrops make an angle of θ = 67° when they move past the window as the...

Homework Statement A dolphin leaps out of the water at an angle of 32° above the horizontal. The horizontal component of the dolphin's velocity is 7.7 m/s. Find the magnitude of the vertical component of the velocity. Homework Equations Vy=V0y + ayt The Attempt at a Solution 4.63...

How do I find a vertical asymptote of a function by using limits? I can find the HA by taking the limit, but how do I get the VA? What if the denominator is a square root? FIGURED OUT: I need to evaluate the limit as x approaches a from the right and left.

Homework Statement If we wanted to calculate the minimum or critical velocity needed for the block to just be able to pass through the top of the circle without the rope sagging then we would start by letting the tension in the rope approaches zero...

Homework Statement What are the vertical and horizontal asymptotes for: 2x2/ SQRT(x4-81)? Homework Equations The Attempt at a Solution For one VA, I got x=3. Are there any more? I am troubled with this square root on the bottom.

Problem Find the limit (if it exists). If it does not, explain why. \lim_{x \rightarrow -3^{-}} \frac{x}{\sqrt{x^{2}-9}} (i.e. the limit from the left.) Definitions & theorems vertical asymptote definition: if f(x) approaches infinity (or negative infinity) as x approaches c from...

Homework Statement A mountain climber stands at the top of a 50m cliff that overhangs a calm pool. She throws two stones vertically download 1s apart and observe that the two stones reach the water simultaneously after a while. The first stone was thrown at an initial speed of 2m^{-1}.s...

Homework Statement Can a pendulum that swings in a vertical circle have a constant speed throughout its motion? How can I explain this phenomenon using angular velocity? Is there any instance when such case happen? Homework Equations 1/2mv2 = mgh velocity= radius X angular velocity...

Homework Statement A mass of 100g is attached to a string of length 1m.The system experiences vertical circular motion. (1)What is the minimum velocity to be given to the object at the lowest point of the path, in order to continue vertical circular motion? (2)What is the maximum tension...

Background I joined a power company in the hydro division and I am currently working in the planning department. I have a bachelor's degree in mechanical engineering & unfortunately most of the things I am facing everyday are related to civil engineering, lots & lots of construction terms &...

For the life of me I cannot figure out this problem: give an example of a function that has two horizontal asymptotes and three vertical asymptotes. Any help on this topic would be greatly appreciated.

i have been stuck on this question for two days, can anyone help! A museum of modern art is displaying an irregular 358 N sculpture by hanging it from two thin vertical wires, A and B, that are 1.25 m apart . The center of gravity of this piece of art is located 48.0 cm from its extreme right...

Homework Statement A mass Z is suspended by a vertical rope attached to the roof, and a second rope attached horizontally to a wall. what is the tension in each rope if Z is hanging straight down? What are the rope tensions? Suppose Z has a mass of 800kg. what is the tension in the pair of...

I don't usually ask questions here, but I've been stuck for a v-e-r-y long time on this problem. It goes like this: A ball is dropped 1 meter above a tray connected to a spring. This is what it looks like: O |____| >< <> >< <>Mass of ball - 1kg Mass of tray - 5kg Spring - K = 100...

Homework Statement This is an MCAT practice problem that is driving me crazy! The answer is supposed to be 2200N on each foot. Any help would be much appreciated! Thanks in advance! A guy, whose mass is 80 kg, jumps off a bench that is 1 meter off the ground. Immediately after landing...

Homework Statement A certain volleyball player can jump to a vertical height of 85 cm while spiking the volleyball. Homework Equations (a) How long is the player in the air for? (b) What is the player's vertical take-off speed? The Attempt at a Solution Firstly I converted 85...

Homework Statement A rocket is launched to travel vertically upward with a constant velocity of say...20 m/s.After travelling maybe 35 s the rocket develops snag and its fuel supply is cut off. the rocket then travels like a free body, the height achieved by the rocket will be...

Homework Statement Suppose the water at the top of Niagara Falls has a horizontal speed of 1.42 m/s just before it cascades over the edge of the falls. At what vertical distance below the edge does the velocity vector of the water point downward at a 61.8 ° angle below the horizontal...

If you throw a ball straight up, say, and it reaches a height of 30 meters before falling straight down and back to your hand, how fast did you throw it up? I understand we can know this from the deceleration that gravity causes. Could you explain how to calculate these sort of things in...

Homework Statement A wire is 2m in length with a mass of 56g. One end is attached to a support, and the other end is attached to a hanging mass of 5kg. The support oscillates vertically with a frequency of 150Hz and 3cm amplitude. a) What is the speed of a wave as it travels along the...

Homework Statement "Two boys stand on the roof of an office block. One drops a ball from the roof, the other throws a ball up vertically with an initial velocity of 15 ms^-1. The balls strike the ground 1.88s apart. Calculate the heigh of the office block" Homework Equations x = x_0 + v_0 t +...

Homework Statement A 70.0 kg person steps through the window of a burning building and drops to a rescue net held 8.00 m below. If the surface of the net is 1.40 m above the ground, what must be the value of the spring constant for the net so that the person just touches the ground when the...

Homework Statement Using experimental values for mass and period of oscillations, I'm trying to graph period^{2} (y-axis) against mass (x-axis) to get a gradient = 4(pi^{2})/k so I can find k (spring constant). The problem is that when I use each pair of results in the equation below, I...

Homework Statement A 0.028 kg bullet is fired vertically at 185 m/s into a 0.15 kg baseball that is initially at rest. The bullet lodges in the baseball and, after the collision, the baseball/ bullet rise to a height of 37 m. (a) What was the speed of the baseball/bullet right after the...

Homework Statement Find the vertical line x = c such that it splits the area under curve f on the interval [a, b], into two equal parts. Homework Equations The Attempt at a Solution I left the specifics out of the problem. I see two ways to figure this out. 1. Find...

hi, i am in great need of help... i need to determine the critical speed of a vertical shaft using ansys software ...my questions are: 1. which kind of element type should i choose? 2. wiil it be ok if i carry out the analysis without giving any constraints as it is not supported by...

for a physics project i am designing a vertical wind tunnel made out of stovepipe and powered by a leaf blower. this experiment is designed to find the terminal velocity of different shapes. We already have a way to vary the wind speed, but what we don't have is an accurate way to measure this...

ummm i don't know how to calculate the distance if: horizontal- v=2, u=2,a=0, s=? Vertical- v=?, u=0, a=9.8 s=1

Homework Statement Sketch the graph of (x-1)/(1-x^2). Homework Equations Vertical Asymptotes are found in the denominator. The Attempt at a Solution I have all I need to sketch this graph except the vertical asymptote. The 1-x^2 is throwing me off. I thought it would come...

Homework Statement https://wug-s.physics.uiuc.edu/cgi/courses/shell/common/showme.pl?cc/DuPage/phys2111/spring/homework/Ch-08-GPE-ME/mass_vertical_spring/7.gif A spring with spring constant k = 40 N/m and unstretched length of L0 is attached to the ceiling. A block of mass m = 1 kg is...

I have a question in my homework that I CANNNNOT figure out! it's 40n and feels like 47n when it swings. i just want to know the formula i would use to figure out the angle. thanks (:

A baseball is hit with a horizontal speed of 16 m/s and a vertical speed of 19 m/s upward. What are these speeds 1 s later? horizontal speed 16 m/s vertical speed ? m/s I figured out that the horizontal speed would still be the same and it was. So i thought that the vertical speed...

A 195 g block is dropped onto a relaxed vertical spring that has a spring constant of 1.6 N/cm. The block becomes attached to the spring and compresses the spring 14 cm before momentarily stopping. (a) While the spring is being compressed, what work is done on the block by the gravitational...

I'm currently writing a vehicle simulator and have constructed a chassis out of physical node bodies that are connected as in the screenshot below. I am trying to work out the normal force at each of the green circles such that if it were suspended by each of the four nodes, the summation of the...

Homework Statement a mass m is attached by a massless rod of length l to a pivot , which allows swing freely in a vertical plane under the influence of gravity .let the anglethita betweenthe rod the vertical . find the energy levels of the system? find the lowest -order correction to the...

http://img27.imageshack.us/img27/1073/98488419.th.jpg I was unable to prove the equality shown in the question. Can someone please explain how to do so? Thank you.

Homework Statement Tom throws a ball of a cliff 45m nigh, with a velocity of 30 m/s. Take accleration due to gravity as 10m/s. (It took 4.5s to reach the bottom) What was its horizontal and verticle velocitys when it hit the ground? i used the first equation (v=u+at) and with substituion...

Homework Statement Write a function for d(x), the vertical distance between the two curves, and find the minimum value of d(x). Homework Equations The equation for parabola one is y = x^2 + 6, for parabola two, y = -(x-2)^2 + 6 The Attempt at a Solution The answer in the back...