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Online_Physics_Questions_0013 - Honors Physics Momentum HW...

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Honors Physics Momentum HW, part 2 (Homework) To purchase answers to these questions email: admin (AT) tutor-homework.com Be sure to mention the file name: Online_Physics_Questions_0001 1. A 6.00 kg bowling ball collides head-on with a 1.50 kg bowling pin which was originally at rest. The pin flies forward with a speed of 2.50 m/s. If the ball continues forward with a speed of 1.80 m/ s, what was the initial speed of the ball? Ignore rotation of the ball. 2. A railroad car of mass 3.20 10 4 kg moving at 3.50 m/s collides and couples with two coupled railroad cars, each of the same mass as the single car and moving in the same direction at 1.20 m/s. (a) What is the speed of the three coupled cars after the collision? (b) How much kinetic energy is lost in the collision? 3. An 8.00 g bullet is fired into a 250 g block that is initially at rest at the edge of a table of 1.00 m height (Fig. P6.26). The bullet remains in the block, and after the impact the block lands 2.00 m from the bottom of the table. Determine the initial speed of the bullet.
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