A sled is being held at rest on a slope that makes an angle with the horizontal.After the sled is released, it slides a distance d₁ down the slope and then covers thedistance d₂ along the horizontal terrain before stopping. Find the coefficient ofkinetic friction μ between the sled and the ground, assuming that it is constantthroughout the trip.SolvePart BFind the coefficient of kinetic friction μk.Express your answer in terms of some or all of the variables d1, d2, and 0.

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Answered: A sled is being held at rest on a slope…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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You are driving a car at a constant speed of 14.0 m/s along a straight level road. As you approach anintersection, the stoplight turns red and you slam on breaks and the wheels lock and you skid to a stop in25.0 m. What is the coefficient of kinetic friction between your tires and the road?
Vf A bale of cardboard to be recycled thrown down an incline (0 = 25°) at A with a velocity of 1.30 m/s. The bale slides along the surface ABC to a conveyor belt that moves with a velocity of 1.75 m/s. The distance along the inclined surface is dab = 7.0 m and the flat surface dBc = - 5 m. The coefficient of kinetic friction is k 0.25 between the bale and all surfaces. 0 = B dBc Determine: (a) the speed of the bale at C (b) the distance the bale slides on the conveyor belt before it comes to rest relative to the belt. dAB T 1 Vi A
A particle of mass m slides without friction on the inside of a cone. The axis of the cone is vertical, and gravity is directed downward. The apex half-angle of the cone is 0, as shown. The path of the particle happens to be a circle in a horizontal plane. The speed of the particle is vo. Draw a force diagram and find the radius of the circular path in terms of vo, g, and 0. A Le Hint : This problem is similar to canonical pendulum .Draw the free body diagram for the particle when in point A (i.e., in vertical plane). Write Newton's second law for radial and vertical direction . Solve for radius R .
mp 30° slides down a playground slide of length I with 2. A person of mass m, friction. The slide makes an angle of 30 degrees with the horizontal. (Note: If you are stuck, review the components of gravitational forces on a ramp.) (a) The person moves with constant velocity. In terms of the given quantities and any fundamental constants, derive an equation for the coefficient of kinetic friction, (b) Suppose the slide has a different so that the person accelerates while sliding down the slide. Derive an equation for the acceleration of the person, , in terms of , any of the other given quantities above, and fundamental constants as needed.
A 20 N block is placed on an inclined plane and connected to a 10 N hanging block by a cord that passes over a frictionless pulley. The coefficient of kinetic friction between block and plane is 1/3. Find one value of angle so that the hanging block will move downward at constant velocity once set in motion.
A 4.00-kg block is sent up a ramp inclined at an angle 0 = 29.0° from the horizontal. It is given an initial velocity VO = 15.0 m/s up the ramp. Between the block and the ramp, the coefficient of kinetic friction is k coefficient of static friction is μg = 0.60. = 0.40 and the What distance D along the ramp's surface does the block travel before it comes to a stop? D = m %
A guy dives from a cliff of height H at an initial speed 0 (for simplicity). During the first phase of his fall, he wraps his arms. During the second phase, he stretches his arms to slow himself down so that his touchdown speed at the water surface is vo. The air drag coefficient during the first phase is k while it is ßk during the second phase. The air drag force is always proportional to the falling speed. At what height the guy should open his arms so that his touchdown speed is vo? Compute the total falling time.
e.g. A wood block mB is static on smooth table with another block MA on one ends of it. Now give m an initial velocity vo to make it sliding on B. assume the friction coefficient is μ, m₁=m³, and when A arrives at the other end of B, they have the same speed. What is the length of B and the displacement of B (A is a mass point).. Execute A A gives B a friction um g and B gives A a friction -µmäg. Frictions are internal force, so momentum is conserved for the whole system. Assume the velocity is v when A gets right end. B (a) (b) B 12
A book slides across a level, carpeted floor with an initial speed of 3.85 m/s and comes to rest after 3.75 m. Calculate the coefficient of kinetic friction μ between the book and the carpet. Assume the only forces acting on the book are friction, weight. and the normal force. H =
An incline makes an angle of 30.0 degrees with the horizontal. (Static friction coefficent of the inclined surface = 0.4 and the kinetic friction coefficent is 0.1) A block must pass through the top of the incline with a velocity of 3.0 m/s. At what distance along the incline must you realeas the block?
A crate starts from rest and slides 8.05 m down a ramp. When it reaches the bottom it is traveling at a speed of 5.55 m/s. If the ramp makes an angle of 23.0o with the horizontal, what is the coefficient of friction between the crate and the ramp?
Consider the incline shown in the figure with inclination angle θ and height h. The coefficient of kinetic friction between a block of mass m and the incline changes along its surface. From A to B it has a value of μ1, and from B to C its value is μ2. The block (not shown) is given an initial velocity up the incline at point A with a magnitude vA. A) What is the value of vA for which the block will reach the top of the incline (point C) with zero kinetic energy? Your answer should be written in terms of the quantities given in the statement. B) Show that for the block to surpass point B, the initial speed at A should satisfy the inequality vA > √[ (2/3)gh(1+μ1cotθ) ]

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