What is the total kinetic energy of a bowling ball of mass, m, and radius, R, that is rolling in a straight line with a center-of-mass velocity, vcm: without slipping on a level bowling lane? Assume that the bowling ball is a uniform, solid sphere. (Neglect rolling friction.) a. 7m( v ст 10 O b. m(vm)² 2 c. 5m(v m)? ст 6. ("m)* d. Зт 4 e. 2m v ст 3

What is the total kinetic energy of a bowling ball of mass, m, and radius, R, that is rolling in a straight line with a center-of-mass velocity, vcm: without slipping on a level bowling lane? Assume that the bowling ball is a uniform, solid sphere. (Neglect rolling friction.) a. 7m( v ст 10 O b. m(vm)² 2 c. 5m(v m)? ст 6. ("m)* d. Зт 4 e. 2m v ст 3

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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In an experiment, it is necessary to calculate the angular moment of a disk with an M-mass R radius rotating at an angular speed according to an axis perpendicular to the disk surface passing through the center of mass. The values are as follows;M=(1.09+-0.02)kg R=(0.340+-0.004)mw=(2.16+-0.5)rad/s Calculate the average of the angular momentum of the disk and the uncertainty in the average (error) to express the measurement result.
A solid cylinder of mass 4 kg and radius 2 m rotates with constant angular velocity of 5 rad/s about an axis through its center. What is the angular momentum of the cylinder?
The 29-1b rectangular plate is at rest on a smooth horizontal floor. It is given the horizontal impulses as shown in (Figure 1). Assume I = 20 lb. s. Figure 0.5 ft 5 lb.s 60% 2 ft -0.5 ft-- Part A Determine its angular velocity. Express your answer in radians per second to three significant figures. IVE ΑΣΦΑ ↓↑ vec w = 37.747 Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part B Submit ***** Determine the magnitude of the velocity of the mass center. Express your answer in feet per second to three significant figures. VG = 22.2 ft/s Previous Answers ? rad/s
The young tree, originally bent, has been brought into the vertical position by adjusting the three guy-wire tensions to AB = 2 Ib, AC = 9 Ib, and AD = 13 lb. Determine the force and moment reactions at the trunk base point O. Neglect the weight of the tree. 4.4" D 2.7' 5.0" 2.7' 5.0' Answers: Fo =( i j+ i k) Ib i Mo = ( i i+ i j+ i k) Ib-ft
A uniform rod of lenght L=20 cm and mass M-1 kg is lying on a frictionless table. You slide a small piece of putty of mass m=100 gr across the table so that it hits the rod straight on 5 cm from the end with a velocity v=10 m/s. After the collission the putty sticks to the rod. 1. What is the velocity of the centre of mass for the putty+rod system. 2. Where is the centre of mass of the putty+rod system 3. What is the angular speed of the putty+rod system around the centre of mass 4. What is the change in energy after the collission?
A 1.5kg. particle moves in the xy-plane with a velocity of = 4.21-3.6f m/s. Determine the angular momentum of the particle when its position vector is 1.51+ 2.2f m (in kg m2/s)? Option 1 Option 2 Option 3 Option 4 Option 5 (-22)k (-11)k (-33)k (-222)k (-2k)
A disk of mass m, = 70.0 g and radius r, = 4.50 cm slides on a frictionless sheet of ice with velocity v, where v = 14.00 m/s, as shown in a top-down view in figure (a) below. The edge of this disk just grazes the edge of a second disk in a glancing blow. The second disk has a mass m, = 140 g, a radius 2 = 6.00 cm, and is initially at rest. As the disks make contact, they stick together due to highly adhesive glue on the edge of each, and then rotate after the collision as shown in figure (b). m2 (a) What is the magnitude of the angular momentum (in kg · m/s) of the two-disk system relative to its center of mass? 0.0686 kg - m/s (b) What is the angular speed (in rad/s) about the center of mass? 82.0 rad/s
A thin washer of internal radius 5 cm and external radius of 12 cm carries a load of 15mC distributed evenly on its surface located on the Y axis. A small 7.5g sphere with a load of 3mC is placed exactly in the center. A small push is given along the axis of the washer (the x-axis) to remove it from rest. How fast will the sphere be moving when it is 2m from the center of the washer? (hint, ignore gravity and energy is conserved)
A 2.40-kg cylindrical rod of length 2.00 m is suspended from a horizontal bar so it is free to swing about that end. A solid sphere of mass 0.25 kg is thrown horizontally with a speed v, = 13.5 m/s to hit the rod at the point A one-fifth of the way up from the bottom of the rod. The sphere bounces back horizontally with a speed v, = 9.50 m/s, while the rod swings to the right through an angle 0 before swinging back toward its original position. What is the angular speed of the rod immediately after the collision? rad/s (a) (b)
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5) A disk of mass m = 75.0 g and radius r = 4.20 cm glides across an air table at a speed v = 1.5 m/s. It makes a glancing collision with a hoop of radius R = 5.80 cm and mass M = 130 g (initially at rest) such that their rims just touch. Because their rims are coated with instant-acting glue, the two objects stick together and rotate after the collision. a) What is the angular momentum of the system relative to the center of mass? b) What is the angular speed about the center of mass?