A disk slides toward a motionless stick on a frictionless surface (figure below). The disk strikes and adheres to the stick and they rotatetogether, pivoting around the nail. Angular momentum is conserved for this inelastic collision because the surface is frictionless and theunbalanced external force at the nail exerts no torque.BeforeMNail (pivot)(b) What is the kinetic energy (in J) before and after the collision?JK beforeKJafter(b)Consider a situation where the disk has a mass of 52.5 g and an initial velocity of 32.5 m/s when it strikes the stick that is 1.30 m longand 2.20 kg at a distance of 0.100 m from the nail.(a) What is the angular velocity (in rad/s) of the two after the collision? (Enter the magnitude.)X rad/s=After(0)(c) What is the total linear momentum (in kg · m/s) before and after the collision? (Enter the magnitude.)kg. m/sPbeforekg. m/sPafter

Answered: Image /qna-images/answer/f9896eaa-d899-468e-8f91-acdb2a1810fb.jpg

A disk slides toward a motionless stick on a frictionless surface (figure below). The disk strikes and adheres to the stick and they rotate together, pivoting around the nail. Angular momentum is conserved for this inelastic collision because the surface is frictionless and the unbalanced external force at the nail exerts no torque. = Before mv = (b) What is the kinetic energy (in J) before and after the collision? J K before Kafter = M Nail (pivot) (a) Consider a situation where the disk has a mass of 52.5 g and an initial velocity of 32.5 m/s when it strikes the stick that is 1.30 m long and 2.20 kg at a distance of 0.100 m from the nail. (a) What is the angular velocity (in rad/s) of the two after the collision? (Enter the magnitude.) X rad/s 1 After m 2 (0) (c) What is the total linear momentum (in kg m/s) before and after the collision? (Enter the magnitude.) Pbefore kg. m/s Pafter kg. m/s

A disk slides toward a motionless stick on a frictionless surface (figure below). The disk strikes and adheres to the stick and they rotate together, pivoting around the nail. Angular momentum is conserved for this inelastic collision because the surface is frictionless and the unbalanced external force at the nail exerts no torque. = Before mv = (b) What is the kinetic energy (in J) before and after the collision? J K before Kafter = M Nail (pivot) (a) Consider a situation where the disk has a mass of 52.5 g and an initial velocity of 32.5 m/s when it strikes the stick that is 1.30 m long and 2.20 kg at a distance of 0.100 m from the nail. (a) What is the angular velocity (in rad/s) of the two after the collision? (Enter the magnitude.) X rad/s 1 After m 2 (0) (c) What is the total linear momentum (in kg m/s) before and after the collision? (Enter the magnitude.) Pbefore kg. m/s Pafter kg. m/s

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

The figure shows a rigid structure consisting of a circular hoop of radius R and mass m, and a square made of four thin bars, each of length R and mass m. The rigid structure rotates at a constant speed about a vertical axis, with a period of rotation of 2.1 s. If R = 1.6 m and m = 4.5 kg, calculate the angular momentum about that axis. Rotation axis 2R Number Units
The figure shows a rigid structure consisting of a circular hoop of radius R and mass m, and a square made of four thin bars, each of length R and mass m. The rigid structure rotates at a constant speed about a vertical axis, with a period of rotation of 1.5 s. If R = 0.3 m and m = 1.5 kg, calculate the angular momentum about that axis. Number Enter your answer in accordance to the question statement Units Choose the answer from the menu in accordance to the question statement radrad/srad/s^2kg·m^2N·mkg·m^2/srad^2/s^2
A disk initially at rest is fixed to a vertical axis of rotation and a 40 kg child is standing on the disk initially at rest 0.5 meters away from the axis of rotation. The rotational inertia of the disk is 50 kgm2. The boy pushes and jumps off the disk and the disk begins to rotate at 0.5 rad/s. Calculate the linear velocity of the child as they push off the disk.
The member shown below is fixed at O and its dimensions are h1 = 1.10 mm, h2 = 0.20 mm, and w = 0.50 mm. A force F of magnitude F=14N is applied at point B. Determine the magnitude of the moment of the force about point O
Two identical meter sticks are connected as shown in the diagram. The origin of the coordinate system is located where the two meter sticks are joined. y 1 m 1 m What is the moment of inertia of the two sticks about an axis perpendicular to meter sticks and passing through the center of mass of the whole system? Assume each meter stick has a mass m and length L.
RIGID BODY ENERGY METHODS In the system below, the disk has a mass of 2 slugs and the block B has a mass of 0.8 slugs. The system starts from rest at 8 = 0 degrees. A moment, M, is then applied to the disk and moves the whole system to 8 = 90 degrees. At 0 = 90 degrees, the angular velocity of the disk is 2 rad/s. What is the magnitude of the moment M? M 3 ft w, a C 5 ft B
Consider a rotating 10 kg body for which k = 0.25 m and w = 3 rad/s. What is the angular momentum of the body?  2.5 kg.m2/s 5 kg.m2/s 7.5 kg.m2/s 10 kg.m2/s    QUESTION 2 Consider a rotating 10 kg body for which k = 0.25 m and w = 3 rad/s. What is the effect on the body's angular momentum if the mass doubles?  H stays the same H doubles H quadruples H halves    QUESTION 3 Consider a rotating 10 kg body for which k = 0.25 m and w = 3 rad/s. What is the effect on the body's angular momentum if the radius of gyration doubles?  H stays the same H doubles H quadruples H halves
Use the graph for the inelastic collision shown above to solve this problem. If you were to allow the system to continue spinning after the collision, at what time (in s) on the x-axis would the system come to a complete stop, assuming the rate of decrease you observe remains constant? Round your answer to 2 decimal places.
Jack and Jill ran up the hill at 2.9 m/s. The horizontal component of Jill's velocity vector was 2.5 m/s a. What was the angle of the hill? b.
The figure below shows a small block of mass m = 4.50 kg sliding without 9.50 m/s. It undergoes a perfectly elastic collision with 18.0 kg. The rod 4. friction with a speed of vo the bottom of a uniform rod of length d : is pivoted about a frictionless axle through its center, and initially hangs straight down and is not moving. 3.00 m and mass M m Vo 2013 Penon Baion, e Determine the velocity (both speed and direction) of the block after (a) the collision? [Hint: Recall, an elastic collision is one in which the kinetic energy is conserved.]
As shown in Figure , a 0.500 kg stone moving horizontally with a speed of 2.25 m/s collides with a 0.750 m long stationary vertical uniform rod. The rod has a mass of 1.50 kg and is fixed to the ground by a frictionless hinge. After the collision, the stone drops vertically down to the ground. What is the angular speed of the rod just after the collision? 0.25 m A) 2.00 rad/s B) 1.00 rad/s C) 3.00 rad/s D) 4.00 rad/s E) 5.00 rad/s stone v = 2.25 m/s 0.75 m Hinge
help pls asap not in scientific notation pls