28. Il A hockey puck B rests onm o to bolo e ludw frictionless, level ice and is obstruck by a second puck A, 40.0 m/s A

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28 Il A Hockey Puck B Rests Onm O To Bolo E Ludw Frictionless Level Ice And Is Obstruck By A Second Puck A 40 0 M S A 1 (45.55 KiB) Viewed 45 times

28. Il A hockey puck B rests onm o to bolo e ludw frictionless, level ice and is obstruck by a second puck A, 40.0 m/s A which was originally travel- ing at 40.0 m/s and which is in deflected 30.0° from its orig- inal direction. (See Figure 8.42.) Puck B acquires a ve- locity at a 45.0° angle to the original direction of A. The pucks have the same mass. (a) Compute the speed of each puck after the collision. (b) What fraction of the original kinetic energy of puck A dissipates during one is (i) laitini the collision? Livont 16 A RED B 30.0⁰ Figure 8.42 Problem 28. and no no te t -T- 45.0°