Incline Definition and 991 Threads

Homework Statement [PLAIN]http://img237.imageshack.us/img237/6677/incline.gif A snow sled with a child secured safely to it has a total mass of 83.0 kg. It is lowered at a constant speed of 1.9 ms−1 down a slope of angle 41.0° with respect to the horizontal (as shown above) for a...

Homework Statement How is angle of incline related to the acceleration of the car moving down it? I know how to find both the velocity and acceleration of a car moving down a track using the suvat equations. I don't understand the relationship between angle of incline, velocity and...

No matter how many times i do it, i seem to be doing something wrong :| Homework Statement A wet bar of soap (150 g) slides without friction down a ramp (2.0 m) long inclined at 7.3degrees. How long does it take to reach the bottom? Neglect friction. & How would this change if the soaps...

Homework Statement The ball launcher in a pinball machine has a spring that has a force constant of 1.20 N/cm The surface on which the ball moves is inclined 10.0° with respect to the horizontal. If the spring is initially compressed 5.00 cm, find the launching speed of a 100-g ball...

Homework Statement A 14 kg box slides 4.0 {\rm m} down the frictionless ramp shown in the figure , then collides with a spring whose spring constant is 210 N/m. a)What is the maximum compression of the spring? b)At what compression of the spring does the box have its maximum...

Homework Statement A block of mass m slides down the incline of a triangular block of mass M. The angle of inclination is \theta. The trianguilar block is free to slide on a horizontal plane. Assume that all surfaces are frictionless. What is the acceleration of the mass M? Homework...

Homework Statement A 20-Newton force pulling an object up a hill at a constant rate of 2 m/s. The diagram shows a box that is 5 kg on an incline that is 30 m long and 10 m high. the answers are 1) 0 kg-m/s 2) 10 kg-m/s 3) 100 kg-m/s 4) 600 kg-m/s The equation for momentum is p=mv...

Homework Statement Hello! I was thinking about designing an experiment in which i would investigate the angle of incline of a surface and the acceleration of a toy car moving down it. I will most likely be using a stopwatch. My question is: How should i go about calculating the...

Homework Statement A block of mass M = 107.0 kg on an inclined plane is attached to another block of mass m via a string, as in the figure below. The coefficients of static and kinetic friction for the block and the incline are μs = 0.40 and μk = 0.20 and the plane is inclined 17.6° with...

Homework Statement A mass m2 = 1.1 kg, on a 35.0° incline, is connected to a mass m1 = 6.0 kg, on a horizontal surface. The surfaces and the pulley are frictionless. If F = 17.5 N, what is the magnitude of the tension in the connecting cord...

Three blocks are attached by a massless wire. Two blocks are on the incline, and the other is hanging below. The pulley is frictionless; however, the coefficent of friction between the ramp m1 is 0.15. The coefficient of friction between m2 and and the ramp is uknown. A) Determine the...

Homework Statement A spring is mounted at an angle of = 38 on a frictionless incline as illustrated in the figure below. The spring is compressed to 15 cm where it is allowed to propel a mass of 5.4 kg up the incline. If the spring constant is 565 N/m, how fast is the mass moving when leaves...

Homework Statement A cube of mass M=0.425 kg is placed on an incline of 12.5* and given a push. It slides down, and its speed down the incline is measured at two positions, [1] and [2] on the diagram below, with V1 = 0.913 m/s and V2 = 1.171 m/s. Note that the incline passes through at least...

Homework Statement A small block of mass m rests on the sloping side of a triangular block of mass M which itself rests on a horizontal table. Assuming all surfaces are frictionless, determine the magnitude of the force F that must be applid to M so that m remains in a fixed position...

Homework Statement A crate of mass 20 kg is pushed up a ramp by a person, at an angle of 30 degrees. Assume the coefficient of kinetic friction between the crate and the ramp is k=0.2. Calculate the work done by the person in pushing the crate a distance of 29 m as measured along the ramp...

Homework Statement Blocks A, B, and C are placed as in the figure and connected by ropes of negligible mass. Both A and B weigh 24.9N each, and the coefficient of kinetic friction between each block and the surface is 0.39. Block C descends with constant velocity. a) Find the tension in the...

Homework Statement A solid cylinder of mass 10 kg is at rest atop a 10m high ramp inclined at an angle of 37 degrees. The cylinder is released and rolls, without slipping, down the incline. Then, the cylinder rolls across a rough 1-m long table that is 2m above the ground. Finally, the...

Homework Statement A block of mass m = 15.0kg starts from rest and slides down an incline plane with slope angle theta = 45 degrees for a distance d1. It then reaches the flat surface and travels for a distance d2, where it comes to rest. The coefficient of kinetic friction between the block...

Hey I wondered what the best way to proceed about fiding the maximum length of a projectile when fired at an angle relative to an incline. Would a coordinate axis along the incline be the best choice? Then I could solve the equations for when y = 0, but it would also result in an acceleration in...

Homework Statement Two blocks attached by a string (see figure) slide down a 20° incline. Block 1 has mass m1 = 0.65 kg and block 2 has mass m2 = 0.30 kg. In addition, the kinetic coefficients of friction between the blocks and the incline are 0.30 for block 1 and 0.20 for block 2. (a) Find...

Homework Statement A ball is allowed to roll from rest down an inclined plane, and the distances are marked every 1.6 s. If the second mark is made 1.4 m from the starting point, where is the first mark? Where is the Fourth Mark? Homework Equations x=kt^2 .. k is the constant...

Homework Statement A snowball rolls off a roll that has a slope of 30* from the horizontal with a speed of 5.0 m/s. The edge of the roof is 10m above the ground. How far from the house (horizontally) does the snowball strike the ground? Homework Equations I'm using one of the...

Homework Statement A 12 kg box is being held on a 23 degree frictionless incline. Find the box's equation once released. Homework Equations Net force=ma Fpull-Fparallel=ma The Attempt at a Solution 12kg x 9.8m/s = 117.6 N (Fpull-mgsin23)= ma sub. known values in...

Homework Statement How to find the uk of a box sliding down a hill with only an angle and acceleration Given: angle= 30 acceleration= 3.1 m/s2 Homework Equations 1. uk= fk/fn 2. f=ma The Attempt at a Solution i did the cosine of my angle but i am not sure that is the answer

Homework Statement Two blocks are connected by a string over a frictionless, massless pulley such that one is resting on an inclined plane and the other is hanging over the top edge of the plane. the hanging block has a mass of 16 kg and the one on the plane has a mass of 8 kg. the coefficient...

hi my question is fully attached as an image. for cylinders with the same mass i know how to sort them. the smaller the i the faster it will go. but what happens if i have combination of change of i and m. i guess i will need a less intuitive approach. can some one tell me how to do this...

Homework Statement A box initially at rest at the top of a frictionless ramp is allowed to slide to the bottom. At the bottom its speed is 4 m/s. Next, the box is again slid down the ramp, but this time it does not start from rest. It has an initial speed of 3 m/s at the top. How fast is it...

Homework Statement a 0.75kg brick is released from rest and slides down an inclined roof pitched at 30 degrees to the horizontal. the brick slides 2.5m before striking the gutter and the coefficient of friction between the roof and the brick is 0.3. determine the velocity at which the brick...

Homework Statement A ball, with mass m_{1}=6 kg and speed v_{0} (unknown) hits an inclined plane (as shown) of mass m_{2}=42 kg at rest on a frictionless floor. there is no friction between the ball and the plane. the angle \beta is 10 degrees. Question: what is the value of \alpha?2. Diagram...

Homework Statement A box of mass M= 1 kg rests at the bottom ofa frictionless plane inclined at an angel theta= 20 degrees. The box is attached to a string that pulls with a constant tension T=5 N. What is he power in Watts being delivered by the tension T as the block reaches x=50 cm...

Homework Statement A skier is pulled up by a towrope up a frictionless ski slope that makes an angle of 12 degrees with the horizontal. The rope moves parallel to the slope with a constant speed of 1.0 m/s. The force of the rope does 900 J of work on the skier as the skier moves a distance of...

Homework Statement A solid sphere (S), a thin hoop (H), and a solid disk (D), all with the same radius, are allowed to roll down an inclined plane without slipping. At the bottom, they run into another inclined plane and begin rolling upwards. Which will travel the furthest up the inclined...

Homework Statement A large block of mass M = 6kg is on an incline which is at an angle of 30 degrees above the horizontal. The coefficient of kinetic friction between the block and the incline is 0.3. The block is attached to a string which runs over a pulley and is connected to a smaller...

Homework Statement Block on Incline In Fig. 16-35, a block weighing 17.0 N is able to slide without friction on a 32.0° incline. It is connected to the top of the incline by a massless spring of unstretched length 0.475 m and spring constant 110 N/m. Figure 16-35 (a) How far down the...

Homework Statement http://img687.imageshack.us/img687/8417/screenhunter002.jpg Homework Equations I don't know. The Attempt at a Solution I don't even know where to begin...

Homework Statement A horizontal stick of mass m has its left end attached to a free pivot on a plane (inclined at angle θ), while it’s right end rests on a cylinder also of mass m which in turn rests on the plane, as shown. The coefficient of friction between the cylinder and both the stick...

Homework Statement A 280-kg piano slides 4.3 m down a 30 degree incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is .400. Calculate: (a) the force exerted by the man, (b) the work done by the...

if a cylinder rolls down and incline without slipping then i decrease the coefficient of friction and it does slip a little will it have more, less, or the same kinetic energy as before I think less, my physics teacher says the same

Homework Statement A sphere of radius 0.19 meters starts from rest at the top of an incline at a height of 7 meters. The angle of the incline is 36 degrees. How many revolutions does the sphere make as it rolls to the end of the incline without slipping?

Right I'm not stuck on the whole question it's just one bit i need advice on rather than answers.I have a cart with 2 wheels on a 30degree slope and it is in equilibrium, i know how to work out the forces directly down onto the slope mg*cos30 and the force pulling it down the slope mg*sin30. as...

When a ball rolls down an incline without slipping friction causes the ball to rotate CCW When a ball with an initial velocity climbs up an incline friction is now in the opposite direction as in the previous case, the problem now is which force causes the ball to rotate CW. It can't be...

Homework Statement It was on my test yesterday. There is a 10kg block on an incline of 45degrees connected by a string to another block hanging over the side of the incline by a frictionless massless pulley. Kinetic friction on the block on the incline is mu=0.5 The block that is hanging...

Homework Statement A 20.0 kg block is connected to a 30.0 kg block by a string that passes over a light frictionless pulley. The 30.0 kg block is connected to a spring that has negligible mass and a force constant of 300 N/m, as shown in Figure P7.53. The spring is unstretched when the system...

1. The problem statement, all variables and given/known data A clerk moves a box of cans down an aisle by pulling on a strap attached to the box. The clerk pulls with a force of 190.0 N at an angle of 28° with the horizontal. The box has a mass of 37 kg, and the...

Homework Statement Imagine a ramp on a 30deg incline with a 1kg mass on top of it. mu kinetic coefficient is .25 between the mass and the ramp. A person applies a horizontal force of 10N to the 1kg mass on the incline ramp opposite to the direction of acceleration. What is the normal force...

So we took a quiz in class, no one got it right so now its take home and I am lost. Homework Statement Homework Equations .5kxi -Fkd= .5MVf^2 h=dsin(tht) umgh=fk fk=ukN The Attempt at a Solution I really do not know where to start i tried...

[SOLVED] Elastic and gravitational potential energy First off, long time lurker here on his first post. Your forum seems absolutely brilliant, so I hope you can help me :) Homework Statement A box on an elastic string is dropped down an incline and proceeds to slide the distance L before...

Sorry, the title is wrong, it's hoop rolling UP an incline Homework Statement In a circus performance, a large 3.8 kg hoop with a radius of 1.8 m rolls without slipping. If the hoop is given an angular speed of 5.5 rad/s while rolling on the horizontal and is allowed to roll up a ramp...

The question was: A 4.5-kg mass is given an initial velocity of 14 m/s up an incline that makes an angle of 37o with the horizontal. When its displacement is 8.0 m, its upward velocity has diminished to 5.2 m/s. I'm confused with directions of the velocity. In the solution they used the...

Homework Statement A suspended 2.87 kg mass is moving up, a 1.5 kg mass slides down the ramp, a suspended 8.4 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 frictionless. Find the...