35°BCXA 2 kg block A is connected to a 4 kg block B by a light inextensible cord that passesover a frictionless pulley of negligible mass at C as shown in Figure 1.1. The mass Bis connected to a spring with spring constant of 120 N/m. The spring has an unstretchedlength of 8 cm. From the unstrecthed position, the block A is pulled 10 cm down theplane, stretching the spring, and then released from rest. Assume that the frictionbetween the block A and the plane, and the mass of the spring are negligible.Determine the speed of the blocks when the spring is again unstrecthed

Answered: Image /qna-images/answer/5ee49a21-77bb-4189-b1e6-ffa55ca5f251.jpg

Answered: 35° B C X A 2 kg block A is connected…

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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A block of mass m = 0.72 kg attached to a spring with force constant 119 N/m is free to move on a frictionless, horizontal surface as in the figure below. The block is released from rest after the spring is stretched a distance A = 0.13 m. (Indicate the direction with the sign of your answer. Assume that the positive direction is to the right.) (a) At that instant, find the force on the block. N (b) At that instant, find its acceleration. m/s²
Answer correctly the question: An m=3.84kg block situated on a rough incline is connected to a spring of negligible mass having a spring constant of k=100. N/m. The pulley is frictionless and massless. The block starts at rest at the position where the spring is unstretched. The block moves 15.1 cm down the incline before coming to rest. Take θ=38.8 as the angle. Calculate the coefficient of kinetic friction between block and incline. The answer is not 0.29
A world-class sprinter running a 100 m dash was clocked at 5.4 m/s 1.0 s after starting running and at 9.8 m/s 1.5 s later. Part A Determine the ratio of his output powers in these time intervals. Po to 1 P1 to 2.5 15 ΑΣΦ ?
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A 2.0 kg breadbox on a frictionless incline of angle θ=40° is connected, by a cord that runs over a pulley, to a light spring of spring constant k = 133 N/kg as shown in the figure below. The box is released from rest when the spring is unstretched. Assume that the pulley is massless and frictionless. How far down the incline (in meters) from its point of release does the box slide before momentarily stopping (kinetic energy = zero at this point). Use g = 10 N/kg.
2.2. Two objects, A and B are treated as a single system. The table to the right shows some of the properties of each object at time t = 0.0 s. Use the information in the table to calculate А B color green orange 120 kg 85 kg mass -35 m the following at time t = 0.0 s: position 25 m (a) the total mass of the system (b) the total kinetic energy of the system (c) the total momentum of the system -15 m/s velocity 15 m/s temperature 15°C 25 °C (d) the position and the velocity of the cen- ter of mass of the system
A block of mass m = 0.71 kg attached to a spring with force constant 106 N/m is free to move on a frictionless, horizontal surface as in the figure below. The block is released from rest after the spring is stretched a distance A = 0.13 m. (Indicate the direction with the sign of your answer. Assume that the positive direction is to the right.) (a) At that instant, find the force on the block. N (b) At that instant, find its acceleration. m/s? Need Help? Read It
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An inclined plane of angle θhas a spring of force constant k fastened securely at the bottom so that the spring is parallel to the surface as shown. A block of mass m is placed on the plane at a distance d from the spring. From this position, the block is projected downward toward the spring with speed v. Calculate By what distance is the spring compressed when the block momentarily comes to rest? develop an equation for x. x when θ=30.0° , k = 1 kN/m, m = 5 kg, d = 0.5 m, and v =1 m/s. If we add another spring in series, by what distance is the spring compressed when the block momentarily comes to rest? If we add another spring in parallel, by what distance is the spring compressed when the block momentarily comes to rest? Part 3 & 4 are where I am struggling

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