EP PHYSICS  (W/ANSWERS+INDEX)
EP PHYSICS (W/ANSWERS+INDEX)
10th Edition
ISBN: 9781119081739
Author: CUTNELL
Publisher: WILEY
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Chapter 8, Problem 20P

(a)

To determine

A figure skater average angular acceleration.

(b)

To determine

The time at which skater comes to rest.

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8.69 Spheres A (mass 0.020 kg), B (mass 0.030 kg), and C (mass 0.050 kg) are approaching the origin as they slide on a frictionless air table. The initial velocities of A and B are given in Fig. P8.69. All three spheres arrive at the origin at the same time and stick together. (a) What must the x- and y-components of the initial velocity of C be if all three objects are to end up moving at 0.50 m/s in the +x-direction after the col- lision? (b) If C has the velocity found in part (a), what is the change in the kinetic energy of the system of three spheres as a result of the collision? Figure P8.69 UC C B UB=0.50 m/s 60° VA = 1.50 m/s A
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Chapter 8 Solutions

EP PHYSICS (W/ANSWERS+INDEX)

Ch. 8.4 - Prob. 11CYUCh. 8.5 - Prob. 12CYUCh. 8.5 - Prob. 13CYUCh. 8.5 - Prob. 14CYUCh. 8.5 - Prob. 15CYUCh. 8.6 - Prob. 16CYUCh. 8.6 - Prob. 17CYUCh. 8 - Prob. 1FCCh. 8 - 3. The radius of the circle traced out by the...Ch. 8 - Prob. 4FCCh. 8 - Prob. 6FCCh. 8 - Prob. 7FCCh. 8 - Prob. 10FCCh. 8 - Prob. 11FCCh. 8 - Prob. 13FCCh. 8 - Prob. 14FCCh. 8 - Prob. 15FCCh. 8 - 1. A pitcher throws a curveball that reaches the...Ch. 8 - 2. The table that follows lists four pairs of...Ch. 8 - Prob. 3PCh. 8 - Prob. 4PCh. 8 - Prob. 5PCh. 8 - Prob. 6PCh. 8 - Prob. 7PCh. 8 - 8. Conceptual Example 2 provides some relevant...Ch. 8 - Prob. 9PCh. 8 - Prob. 10PCh. 8 - Prob. 11PCh. 8 - Prob. 12PCh. 8 - Prob. 13PCh. 8 - Prob. 14PCh. 8 - Prob. 15PCh. 8 - Prob. 16PCh. 8 - *17. A stroboscope is a light that flashes on and...Ch. 8 - Prob. 18PCh. 8 - Prob. 19PCh. 8 - Prob. 20PCh. 8 - Prob. 21PCh. 8 - 22. The angular speed of the rotor in a centrifuge...Ch. 8 - Prob. 23PCh. 8 - Prob. 24PCh. 8 - Prob. 25PCh. 8 - Prob. 26PCh. 8 - Prob. 27PCh. 8 - Prob. 28PCh. 8 - Prob. 29PCh. 8 - Prob. 30PCh. 8 - Prob. 31PCh. 8 - Prob. 32PCh. 8 - **33. A child, hunting for his favorite wooden...Ch. 8 - Prob. 34PCh. 8 - Prob. 35PCh. 8 - Prob. 36PCh. 8 - Prob. 37PCh. 8 - Prob. 38PCh. 8 - Prob. 39PCh. 8 - Prob. 40PCh. 8 - Prob. 41PCh. 8 - *42. A person lowers a bucket into a well by...Ch. 8 - *43. A thin rod (length = 1.50 m) is oriented...Ch. 8 - Prob. 44PCh. 8 - Prob. 45PCh. 8 - Prob. 46PCh. 8 - Prob. 47PCh. 8 - Prob. 48PCh. 8 - Prob. 49PCh. 8 - *50. Multiple-Concept Example 7 explores the...Ch. 8 - Prob. 51PCh. 8 - Prob. 52PCh. 8 - Prob. 53PCh. 8 - Prob. 54PCh. 8 - Prob. 55PCh. 8 - Prob. 56PCh. 8 - Prob. 57PCh. 8 - Prob. 58PCh. 8 - Prob. 59PCh. 8 - Prob. 60PCh. 8 - Prob. 61PCh. 8 - Prob. 62PCh. 8 - Prob. 63PCh. 8 - Prob. 64APCh. 8 - Prob. 65APCh. 8 - Prob. 66APCh. 8 - Prob. 67APCh. 8 - Prob. 68APCh. 8 - 69. The drawing shows a chain-saw blade. The...Ch. 8 - Prob. 70APCh. 8 - Prob. 71APCh. 8 - Prob. 72APCh. 8 - Prob. 73APCh. 8 - Prob. 74APCh. 8 - Prob. 75APCh. 8 - Prob. 76APCh. 8 - Prob. 77AP
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