g these problems Part G A pendulum is made of a small sphere of mass 0.250 kg attached to a lightweight string 1.20 m in length. As the pendulum swings back and forth, the maximum angle that t Friction can be ignored. At the low point of the sphere's trajectory, what is the kinetic energy of the sphere? Express your answer with the appropriate units. K Value Units Submit Previous Answers Reguest Answer X Incorrect; Try Again; 3 attempts remaining Part H At the low point of the sphere's trajectory, what is the tension in the string? Express your answer with the appropriate units. T= Value Units Submit Previous Answers Resuest Answer

g these problems Part G A pendulum is made of a small sphere of mass 0.250 kg attached to a lightweight string 1.20 m in length. As the pendulum swings back and forth, the maximum angle that t Friction can be ignored. At the low point of the sphere's trajectory, what is the kinetic energy of the sphere? Express your answer with the appropriate units. K Value Units Submit Previous Answers Reguest Answer X Incorrect; Try Again; 3 attempts remaining Part H At the low point of the sphere's trajectory, what is the tension in the string? Express your answer with the appropriate units. T= Value Units Submit Previous Answers Resuest Answer

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)...

See similar textbooks

Similar questions

A horizontal spring with spring constant 210 N/m is compressed by 20 cm and then used to launch a 250 g box across the floor. The coefficient of kinetic friction between the box and the floor is 0.23. Part A What is the box's launch speed? Express your answer with the appropriate units. Uf = Submit 0 μĂ Value Request Answer Units ?
A simple pendulum swings back and forth in a circular path. Including the effects of air resistance, determine which statement is true. There may be more than one correct answer. A. After the pendulum is released, it will never return to its original height. B. The total linear acceleration vector always points towards the center of the circular path as the pendulum swings back and forth. C. The work done by air resistance is always negative as the pendulum swings back and forth D. The work done by the tension force is always zero as the pendulum swings back and forth E. The gravitational force always produces a counterclockwise torque as the pendulum swings back and forth.
Part A A spring of force constant 240.0 N/m and unstretched length 0.220 m is stretched by two forces, pulling in opposite directions at opposite ends of the spring, that increase to 15.0 N. How long will the spring now be? Express your answer in meters. V ΑΣφ m = 1 Submit Request Answer Part B How much work was required to stretch it that distance? Express your answer in joules.
A block of mass m = 12.0 kg is pressed against a spring of spring constant k = 300 N/m, compressing itz = 10.0 cm. The box is released and is launched by the spring. Find the final speed of the box in meters per second. See the image attached for a representation.
Problem 1 A block of mass m = 2 kg moves toward a spring of constant k. When it is at a distance L = 1 m from the end of the spring, it has a speed of v 4 m/s. It then hits and compresses the spring to the maximum distance z = 0.3 m. The coefficient of kinetic friction between the block and the floor is = 0.1. Find the spring constant k. m L x www
Susan's 13.0 kg baby brother Paul sits on a mat. Susan pulls the mat across the floor using a rope that is angled 30° above the floor. The tension is a constant 28.0 N and the coefficient of friction is 0.210. Part A Use work and energy to find Paul's speed after being pulled 2.90 m Express your answer with the appropriate units. 1.93 Submit μA m S ? Previous Answers Request Answer X Incorrect; Try Again; 26 attempts remaining
Problem 1 A 1-kg block is 3 meters from a light spring. The coefficient of kinetic friction between the floor and the block is 0.25 (the coefficient of friction is the same on the entire surface). The block has a speed of 3 m/s when it hits the spring that has a force constant of 50 N/m. The block comes to rest when it has compressed the spring a maximum distance d. Find: 1. The speed of the object at the beginning of the 3 meters. 2. The value of the maximum compression d. k m
N 2. A horizontal spring is compressed by 25.0 cm. A 640.0 g box is then placed against the spring and then released. After travelling 3.15 m from the release point, the speed of the mass is 5.68 m/s. The coefficient of friction is 0.34. What is the spring constant of the spring? mi Tum Tm =
Part A A block with mass 0.50 kg is forced against a horizontal spring of negligible mass, compressing the spring a distance of 0.20 m (Figure 1). When released, the block moves on a horizontal tabletop for 1.00 m before coming to rest. The spring constant k is 100 N/m. What is the coefficient of kinetic friction uy between the block and the tabletop? ΑΣφ Hk = Submit Request Answer Provide Feedback Figure < 1 of 1 k - 100 N/m m = 0.50 kg H0.20 m 1.00 m
In a physics lab experiment, a compressed spring launches a 30 g metal ball at a 35° angle. Compressing the spring 18 cm causes the ball to hit the floor 2.0 m below the point at which it leaves the spring after traveling 6.0 m horizontally. Part A What is the spring constant? Express your answer with the appropriate units. ▸ View Available Hint(s) HÅ k= 110.41 Submit Previous Answers N m w ? * Incorrect; Try Again; 7 attempts remaining
A net force along the z-axis that has a-component F₂ = -12.0 N + (0.300 N/m²) x² is applied to a 4.50 kg object that is initially at the origin and moving in the -x- direction with a speed of 8.70 m/s. Part A What is the speed of the object when it reaches the point x = 7.60 m? Express your answer with the appropriate units. _O ī Submit μÀ Value Request Answer Units ?
A 2.85 kg block on a horizontal floor is attached to a horizontal spring that is initially compressed 0.0340 m. The spring has force constant 860 N/m. The coefficient of kinetic friction between the floor and the block is 0.380. The block and spring are released from rest and the block slides along the floor. Part A What is the speed of the block when it has moved a distance of 0.0170 m from its initial position? (At this point the spring is compressed 0.0170 m.) Express your answer with the appropriate units. v= O ΕΞΑ Value Units ?