Elastic Collisions in Two Dimensions

Elastic Collisions in Two Dimensions

<p> Elastic Collisions in Two Dimensions Chpt 9 rev 1 1. A 600.0 g ball traveling at 1.2 m/s strikes a 600.0 g ball that is at rest. If the first ball takes off after the collision at 47 degrees above the horizontal, what is the velocity of both balls and the angle of the second ball at the same time?</p><p>2. A proton of 1.0 u (atomic units) traveling at 5.2 x 105 m/s strikes another proton that is stationary. If the first proton travels 21 degrees below the horizontal after the collision what is the velocity of each ball and the angle of the second after they hit?</p><p>3. A 27 g cart traveling at 3.0 m/s strikes a second cart of 25 g traveling at 1.5 m/s in the same direction. What is the velocity of the carts after the collision if the two carts stick together?</p><p>4. A ball traveling at 2.3 m/s strikes a stationary ball of half its mass. What is the velocity of the first ball if the second ball takes off at 3.4 m/s?</p><p>5. What is the original velocity of a bullet if it has a mass of 37 g and strikes a 2.0 kg block of wood and the two (bullet embeds in wood) take off together at 12 m/s?</p><p>6. Think! A) How far would the block of wood slide if it stopped in 1.3 s? B) What would  be?</p><p>7. What is the original velocity of a 37 g bullet that strikes a 1.2 kg block of wood attached to a 55 cm pendulum if it swings up 32o after it’s struck?</p>

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