Physics for Scientists and Engineers with Modern Physics
Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN: 9781337553292
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
Question
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Chapter 11, Problem 26P

(a)

To determine

The angular momentum of the system relative to the centre of mass.

(b)

To determine

The angular speed about centre of mass.

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A puck of mass m = 80.0 g and radius r= 4.00 cm glides across an air table at a speed v = 1.5 m/s. It makes a glancing collision with a second puck of radius R = 6.00 cm and mass M = 120 g (initially at rest) such that their rims just touch. Because their rims are coated with instant-acting glue, the pucks 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? (a: 7.2E-3 kgm/s, b: 9.47 rad/s)
A puck of mass m1=80.0 g and radius r1= 4 cm glides across an air table at a speed of v= 1.50 m/s . It makes a glancing collision with a second puck of radius r2= 6 cm and mass m2= 120g ( initially at rest ) such that their rims just touch. Because their rims are coated with instant acting glue, the pucks stick together and rotate after the collision Fig P11.36b. (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?
A rubber disc of 80 g mass and 4 cm radius slides along an air table at 1.5m/s, as shown in figure a. It collides indirectly with a second disc of 6 cm radius and 120 g mass (initially at rest) so that its edges barely touch. The discs are held together and rotate after the shock, Figure b. The angular moment of the system relative to the center of mass is:

Chapter 11 Solutions

Physics for Scientists and Engineers with Modern Physics

Ch. 11 - A particle is located at a point described by the...Ch. 11 - A 1.50-kg particle moves in the xy plane with a...Ch. 11 - Prob. 9PCh. 11 - Heading straight toward the summit of Pikes Peak,...Ch. 11 - Review. A projectile of mass m is launched with an...Ch. 11 - Prob. 12PCh. 11 - A particle of mass m moves in a circle of radius R...Ch. 11 - A 5.00-kg particle starts from the origin at time...Ch. 11 - A ball having mass m is fastened at the end of a...Ch. 11 - Prob. 16PCh. 11 - A uniform solid disk of mass m = 3.00 kg and...Ch. 11 - Show that the kinetic energy of an object rotating...Ch. 11 - Prob. 19PCh. 11 - Prob. 20PCh. 11 - Prob. 21PCh. 11 - Prob. 22PCh. 11 - A 60.0-kg woman stands at the western rim of a...Ch. 11 - Prob. 24PCh. 11 - A uniform cylindrical turntable of radius 1.90 m...Ch. 11 - Prob. 26PCh. 11 - A wooden block of mass M resting on a...Ch. 11 - Prob. 28PCh. 11 - A wad of sticky clay with mass m and velocity vi...Ch. 11 - A 0.005 00-kg bullet traveling horizontally with a...Ch. 11 - The angular momentum vector of a precessing...Ch. 11 - A light rope passes over a light, frictionless...Ch. 11 - Prob. 33APCh. 11 - Prob. 34APCh. 11 - We have all complained that there arent enough...Ch. 11 - Prob. 36APCh. 11 - A rigid, massless rod has three particles with...Ch. 11 - Prob. 38APCh. 11 - Two astronauts (Fig. P11.39), each having a mass...Ch. 11 - Two astronauts (Fig. P11.39), each having a mass...Ch. 11 - Native people throughout North and South America...Ch. 11 - Two children are playing on stools at a restaurant...Ch. 11 - You are attending a county fair with your friend...Ch. 11 - Prob. 44APCh. 11 - Global warming is a cause for concern because even...Ch. 11 - The puck in Figure P11.46 has a mass of 0.120 kg....Ch. 11 - Prob. 47APCh. 11 - A solid cube of wood of side 2a and mass M is...Ch. 11 - Prob. 49CPCh. 11 - Prob. 50CP
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