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
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Chapter 9, Problem 21P
To determine

The final speed of the disks.

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Two friends are playing pool at arcade center. One guy hit the cue ball to strike at another ball where it is initially at rest. After the collision caused by the ball that was at rest, the cue ball moves at 2.50 m/s along a line making an angle 0-14.0° with its original direction of motion and the second ball has a speed of 1.50 m/s. Find the answer for Part a,b and c. Part A: Find the angle e between the direction of the motion of the second ball and the original direction of motion of the cue ball. Part B: Find the cue ball's original speed? Part C: Figure out whether kinetic energy is conserved?
Two particles undergo an inelastic collision whose final kinetic energy represents 31% of the initial kinetic energy. Before the collision, particle 1 of mass mi = 0.5 kg moves at 5 m/s towards the east and particle 2 of mass m2 = 1 kg moves at 4 m/s at 30 ° south of west. After the collision, the velocity vector of particle 1 is oriented to the north. We will use the following notation: u1 the velocity vector of particle 1 before the collision, u2 the speed vector of particle 2 before the collision, v 1 the speed vector of the particle 1 after the collision and v 2 the velocity vector of particle 2 after the collision. a) Determine the components of the velocity vector of particle 2 before the collision. b) Determine the modulus of the velocity vector of particle 1 after the collision. c) Determine the modulus and orientation of the velocity vector of particle 2 after the collision.
Two friends are playing pool at arcade center. One guy hit the cue ball to strike at another ball where it is initially at rest. After the collision caused by the ball that was at rest, the cue ball moves at 2.50 m/s along a line making an angle e-14.0° with its original direction of motion and the second ball has a speed of 1.50 m/s. Find the answer for Part a,b and c. Part A: Find the angle 6 between the direction of the motion of the second ball and the original direction of motion of the cue ball. Part B: Find the cue ball's original speed? Part C: Figure out whether kinetic energy is conserved?

Chapter 9 Solutions

Physics for Scientists and Engineers with Modern Physics

Ch. 9 - A baseball approaches home plate at a speed of...Ch. 9 - A 65.0-kg boy and his 40.0-kg sister, both wearing...Ch. 9 - Two blocks of masses m and 3m are placed on a...Ch. 9 - When you jump straight up as high as you can, what...Ch. 9 - A glider of mass m is free to slide along a...Ch. 9 - You and your brother argue often about how to...Ch. 9 - The front 1.20 m of a 1 400-kg car Ls designed as...Ch. 9 - The magnitude of the net force exerted in the x...Ch. 9 - Water falls without splashing at a rate of 0.250...Ch. 9 - A 1 200-kg car traveling initially at vCi = 25.0...Ch. 9 - A railroad car of mass 2.50 104 kg is moving with...Ch. 9 - Prob. 14PCh. 9 - A car of mass m moving at a speed v1 collides and...Ch. 9 - A 7.00-g bullet, when fired from a gun into a...Ch. 9 - A tennis ball of mass 57.0 g is held just above a...Ch. 9 - (a) Three carts of masses m1 = 4.00 kg, m2 = 10.0...Ch. 9 - You have been hired as an expert witness by an...Ch. 9 - Two shuffleboard disks of equal mass, one orange...Ch. 9 - Prob. 21PCh. 9 - A 90.0-kg fullback running east with a speed of...Ch. 9 - A proton, moving with a velocity of vii, collides...Ch. 9 - A uniform piece of sheet metal is shaped as shown...Ch. 9 - Explorers in the jungle find an ancient monument...Ch. 9 - A rod of length 30.0 cm has linear density (mass...Ch. 9 - Consider a system of two particles in the xy...Ch. 9 - The vector position of a 3.50-g particle moving in...Ch. 9 - Prob. 29PCh. 9 - Prob. 30PCh. 9 - Prob. 31PCh. 9 - A garden hose is held as shown in Figure P9.32....Ch. 9 - Prob. 33PCh. 9 - A rocket has total mass Mi = 360 kg, including...Ch. 9 - Prob. 35APCh. 9 - (a) Figure P9.36 shows three points in the...Ch. 9 - Review. A 60.0-kg person running at an initial...Ch. 9 - A cannon is rigidly attached to a carriage, which...Ch. 9 - A 1.25-kg wooden block rests on a table over a...Ch. 9 - A wooden block of mass M rests on a table over a...Ch. 9 - Two gliders are set in motion on a horizontal air...Ch. 9 - Prob. 42APCh. 9 - Prob. 43APCh. 9 - Why is the following situation impossible? An...Ch. 9 - Review. A bullet of mass m = 8.00 g is fired into...Ch. 9 - Review. A bullet of mass m is fired into a block...Ch. 9 - A 0.500-kg sphere moving with a velocity expressed...Ch. 9 - Prob. 48APCh. 9 - Review. A light spring of force constant 3.85 N/m...Ch. 9 - Prob. 50APCh. 9 - Prob. 51APCh. 9 - Sand from a stationary hopper falls onto a moving...Ch. 9 - Prob. 53CPCh. 9 - On a horizontal air track, a glider of mass m...
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