Ramp Definition and 687 Threads

Homework Statement Consider both a cylinder of radius Rc and mass mc and a hoop of radius Rh and mass mh. If both are at the top of a ramp of length L and at an angle theta what are the objects speed at the bottom of the ramp? Homework Equations The Attempt at a Solution

Hello people, I have 2 scenario's. One is a ball rolling down a ramp with friction, onto pavement with friction. The other is a ball rolling down a ramp without friction, onto pavement with friction. Everything between them is the same except for the friction. I think that having no...

Homework Statement When mass M is at the position shown, it is sliding down the inclined part of a slide at a speed of 2.15 m/s. The mass stops a distance S2 = 2.5 m along the level part of the slide. The distance S1 = 1.15 m and the angle θ = 30.30°. Calculate the coefficient of kinetic...

Homework Statement Package is projected 10 m up a 15º incline so that it justreaches the top of the incline with zero velocity. μk =0.12 a) Determine initial velocity of package at A Homework Equations Energy and friction equations The Attempt at a Solution Height at the top...

Homework Statement a block is at the base of a ramp of angle 35degrees. The ramp is 5 m long and has a coefficient of static and kinetic friction of .6 and .2 respectively. The block is initially given a velocity of 12 m/s up the ramp, how far from the ramp will the block land? my main...

Homework Statement A luggage handler pulls a suitcase of mass 16.3 kg up a ramp inclined at an angle 22.0^\circ above the horizontal by a force F of magnitude 147 N that acts parallel to the ramp. The coefficient of kinetic friction between the ramp and the incline is 0.264. The suitcase...

Homework Statement The question is, a 30 kg crate is moving up an 18 degree ramp at a constant speed. (Mu)k or Uk = .27 what is the force that the rope exerts on the crate parralel to the ramp? Homework Equations I need help.. please The Attempt at a Solution

Homework Statement Hey guys, I've got a question regarding energy lost from sliding downa ramp. Here's the situation: The expected distance for the ball to travel I calculated to be 151 cm, it actually only traveled 105 cm after leaving the ramp. We were asked to calculate the energy...

Homework Statement I did one of the standard block-on-a-ramp labs last week. It involved placing a pre-defined mass on a plank of wood and raising the plank until the mass started to slide down. I recorded theta and rolled from there. I'm kind of looking for a confirmation of my work thus...

Homework Statement Two boxes are connected by a weightless cord that runs through a frictionless pulley. Box B is hanging directly down from the pulley, while Box A is located on a ramp with a coefficient of kinetic friction at 0.15. The two boxes have the same mass of 2.7kg. What is the...

Homework Statement Two blocks with masses 4.00 kg and 8.00 kg are connected by a string and side down a 30.0 inclined plane. The coefficient of kinetic friction between the 4.00kg block and the plane is .25; tha between the 8.00kg block and the plane is .35. (a) Calculate the acceleration of...

Homework Statement A box is dragged 16 m across a level floor by a 75N force at an angle of 35 degrees to the floor . It is then dragged by the same force 8m up a ramp inclined at an angle of 20 degrees to the floor. Determine the total work done by the force. Homework Equations W= F(d)Cosθ...

Homework Statement A picture of the problem and the original question can be seen http://images3a.snapfish.com/232323232%7Ffp733%3B9%3Enu%3D52%3A%3A%3E379%3E256%3EWSNRCG%3D335%3A73%3C377347nu0mrj". Homework Equations The Attempt at a Solution Note that I made my coordinates so...

Homework Statement A dated box of dates, of mass 5.00 kg, is sent sliding up a frictionless ramp at an angle of θ to the horizontal. The figure below gives, as a function of time t, the component vx of the box's velocity along an x-axis that extends directly up the ramp. (The vertical axis...

Homework Statement A professional skier's initial acceleration on fresh snow is 90% of the acceleration expected on a frictionless, inclined plane, the loss being due to friction. Due to air resistance, his acceleration slowly decreases as he picks up speed. The speed record on a mountain in...

Question: A steel washer is suspended inside an empty shipping crate from a light string attached to the top of the crate. The crate slides down a long ramp that is inclined at an angle of 36^\circ above the horizontal. The crate has mass 156 {\rm kg}. You are sitting inside the crate (with a...

I'm trying this problem on allaboutcircuits too. However they havn't been as helpful as this board is for other problems (mostly mathematics). Homework Statement I have been given an assignment which is part of, what I consider, the most difficult part of electronics engineering. Circuit...

I need help! I have a 426g block on a frictionless ramp with initial height, h. The ramp curves, where the height is 2.6 meters before it flies off. I need to know the initial height, can someone please help? :smile:

Homework Statement I am doing a Gr. 11 Physics project and my task is:Determine the net force acting on a ball as it rolls down a ramp. m= 46.7 d(horizontal of ramp/length)= 92.5cm h (height of the ramp from floor to tallest point)= 45.0cm time for ball to roll down= 0.61s Homework...

Homework Statement A rubber ball is dropped onto a ramp that is tilted at 20°. A bouncing ball obeys the "law of reflection" which says that the ball leaves the surface at the angle it approached the surface. The ball's next bounce is 3 m to the right of its first bounce. What is the ball's...

If one were asked, "How does a ramp make it easier to move a heavy object a certain distance?" Would you answer with a. by changing the direction in which the object move b. by decreasing the amount of work required to move the object c. by decreasing the distance the object moves d. by...

Homework Statement A block with a mass of 1.40 kg is free to slide down a plane inclined at an angle of 20° above horizontal (the block will slide down and to the left). Before it is released from rest, it is a distance of d = 2.30 meters away from the end of a spring with spring constant 400...

Homework Statement The suspended 2.2 kg mass on the right is moving up, the 2 kg mass slides down the ramp, and the suspended 8.9 kg mass on the left is moving down. There is friction between the block and the ramp. The acceleration of gravity is 9.8 m/s2 . The pulleys are massless and...

HELP! FORCE with RAMP! Homework Statement What force is required to push a 870kg block up an 80m ramp at a constant speed. The block has a coefficient of sliding friction of .32 with the ramp, and angle of 16 degrees from the ground. Homework Equations The Attempt at a Solution...

I'm supposed to find two different methods to find the loss of energy of a ball down a ramp. I'm given only the following information: Mass of ball = 0.0083 kg and http://i1097.photobucket.com/albums/...cs_/Energy.jpg 2. Homework Equations E = mgh E = 0.5mv^2 The Attempt at...

Homework Statement This question isn't for a specific problem. Just knowledge to approach a series of problems. It concerns a problem where a uniform sphere rolls smoothly down a ramp at incline theta. There is a static frictional force on the ramp. I can go on to find acceleration I am just...

Two "carts" and two masses on one ramp. Homework Statement http://web.ics.purdue.edu/~tkissel/hell.jpg Assume that both of the masses on the ramp are carts with equal masses. Assume no friction in this problem. There is no acceleration. Calculate the unknown mass (on the right side of the...

Homework Statement In Fig. 5-39, a crate of mass m = 100 kg is pushed at a constant speed up a frictionless ramp (\theta = 30.0°) by a horizontal force \vec{F}. What are the magnitudes of (a) \vec{F} and (b) the force on the crate from the ramp? Here is the image...

[b]1. A 1300 N crate slides 15 m down a ramp that makes an angle of 40 degrees with the horizontal. [b]2. F therm = Fk\DeltaX [b]3. I understand how to solve this with the coefficient of friction given, but how can I without the problem stating \mu?

I had a problem where there is a block going down a slope with an angle of inclination of 37 degrees, and we did not need to account for friction. The question was what is the acceleration of the skier. I know how you figure out the answer, which is 5.89 m/s^2. I know you have to set the...

acceleration and velocity down a ramp. please help! Homework Statement Hi, I'm currently studying for my HNC. I'm stuck on an assignment, we performed the old experiment where you roll different objects down a ramp and take the average speed. From the following data we have to work out...

Homework Statement A frictionless track is to be built as shown, with L= 5.1 m and H= 2.8 m. In order to get the cart to slide from the top to the end of the track in the minimum time, how long should the distance D be? Assume that the speed of the cart on the horizontal surface is the same...

Homework Statement A block of mass 0.50 kg slides down a 30 degree ramp. a) What force of friction opposes the motion of the block in order to make the acceleration equal to 2.0 m/s/s? b) What coefficient of friction is necessary in order to accomplish this? Homework Equations...

1. In Figure 8-49, a block is sent sliding down a frictionless ramp. Its speeds at points A and B are 1.90 m/s and 2.60 m/s, respectively. Next, it is again sent sliding down the ramp, but this time its speed at point A is 3.85 m/s. What then is its speed at point B? Figure 8-49...

Homework Statement A train is traveling up a 5.0 degree incline at a speed of 2.55 m/s when the last car breaks free and begins to coast without friction. How long does it coast before stopping momentarily? Homework Equations F=mg or F=ma more generally. The Attempt at a Solution I...

Homework Statement A mass of 50kg is on a ramp 40° above the ground. The coefficient of kinetic friction for the surface of the ramp is .1. If the mass is pulled by a force 15° above the ramp and accelerates at 1 m/s^2 up the ramp, what is the magnitude of the force?Homework Equations Ff=μk*N...

Homework Statement Write a General Formula solving for F to hold a box still on a ramp with friction. there is no numbers in this, only variablesHomework Equations F=ma F=force m=mass a=acceleration θ=angle μs=static friction g=gravity The Attempt at a Solution i drew a free body...

Homework Statement A 15 kg box is placed at the top of a 5.0 m long, frictionless ramp inclined at an angle of 37o. How long does it take the box to reach the bottom of the ramp? Homework Equations The Attempt at a Solution

Homework Statement The problem says: A motorcycle daredevil is attempting to jump across 10 buses. The takeoff ramp makes an angle theta = 18 degrees above the horizontal, and the landing ramp is identical to the take off ramp. The buses are parked side by side and each bus is 2.74m wide. The...

Homework Statement A(n) 2300 g block is pushed by an external force against a spring (with a 14 N/cm spring constant) until the spring is compressed by 19 cm from its uncompressed length. The compressed spring and block rests at the bot- tom of an incline of 33◦ . The acceleration of...

Homework Statement To move a refrigerator of mass 210 kg into a house, a mover puts it on a dolly and covers the steps leading into the house with a wooden plank acting as a ramp. The plank is 8.5 m long and rises 2.4 m. The mover pulls the dolly with constant velocity and with a steady force...

Homework Statement In the figure the block starts from rest at A, slides down the ramp, compresses the spring 0.75 meters, and goes back. The spring constant is 520 N/m, the block's mass is 12 kg, and the ramp is inclined at 30°. The horizontal part of the sliding is frictionless. If point A...

Homework Statement a crate of mass m = 87 kg is pushed at a constant speed up a frictionless ramp (θ = 29°) by a horizontal force F. The positive direction of an x-axis is up the ramp, and the positive direction of a y-axis is perpendicular to the ramp. (a) What is the magnitude of F? What is...

Homework Statement At the top of the ramp the body is stopped and then released. It slides down the ramp against a friction force of f= 10 Newtons. Find the body's change in kinetic energy in Joules after traveling a distance s= 3 m down the ramp. Homework Equations There are three...

Homework Statement A block with mass m=18.4 kg slides down a ramp of slope angled 43.5 deg with a constant velocity. It is then projected up the plane with a Vo=1.55 m/s. How far does it go before stipping? Homework Equations Fnet=ma Fg + Ff=Fnet Ff=uk(Fn) Fn=mgcos(theta)...

Homework Statement A projectile starts from rest and moves 4.7 m down a frictionless ramp inclined at 21 degrees with the horizontal. the acceleration due to gravity is 9.8 m/s^2 what what speed will it leave the ramp ? what will the range of the projectile if the bottom of the ramp is...

Homework Statement A large block is being dragged up a ramp by a block falling due to gravity over a pulley. The large block has a mass of 1400kg and the smaller block suspended has a mass of 530kg. The coefficient of kinetic friction between the large block and the ramp is 0.13. The ramp is...

Homework Statement A cart is pushed up a ramp with an initial speed v0=2.5m/s. For this problem, you may assume that the cart is frictionless and the acceleration of the cart a=gsin\theta. A) If the angle of the ramp is \theta=20, what is the maximum distance d that the cart will travel up...

Flow rate of a tank with RAMP at the bottom** Homework Statement 50 m3 of water in a tank at a height of 11.5 metres. The water will be flowing out of the tank down a ramp of 30 metres. The angle of the ramp from the floor to the tank will be 22 degrees. Homework Equations v =...

Homework Statement A 55kg block is released on a ramp which is frictionless. The ramp is 20 meters long and at the bottom it is moving 8m/s. What is the angle of the ramp? Homework Equations I am looking for the angle but cannot for the life of me figure it out. The Attempt at a...