ACTIVITY 2 POSSIBLE AND IMPOSSIBLE COLLISIONS The table below shows the motion of two objects before collision and the 4 diagrams that represent the motion of the two objects after collision. Compute for their KE before and after collision to identify whether the collision is POSSIBLE OR NOT POSSIBLE. Support your answers with a mathematical solution. Before Collision After Collision Possible or Impossible Collision 1 m/s Skg 4kg KEater = 9 m's 4kg KEater 6 mis Skg 8 mis 5 m/s Skg 4kg KEsefore 9 m's 3 mis Skg (4kg KE fter I mis Bkg 4kg KEaner
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- Solve for the ff.: (Answers should be at 3 decimal places) a. What will the magnitude of the final velocity u2 and m2 after the collision. b. What will be the direction of motion β of m2 after the collision? c. What is the total kinetic energy of this system before the collision?The 6-Mg bus B is traveling to the right at vg= 17 m/s. Meanwhile a 2-Mg car A is traveling at 4-14 m/s to the right the Vehicles crash and become entangled. Assume that the vehicles are free to roll during collision (Eigure 1) Figure 1 of 1 Part A Determine their common velocity just after the collision. Express your answer to three significant figures and include the appropriate units. Value Submit Provide Feedback Request Answer Units Next >Complete the below table without the simulation and check your work in the simulation. The simulation can be found here: Collision Lab (colorado.edu) m1 m2 v1i v2i ptotal v1f v2f 0.50 kg 0.50 kg +1.50 m/s -1.80 m/s -1.80 m/s 0.50 kg 1.00 kg +1.30 m/s 0.0 m/s -.43 m/s 1.00 kg 2.50 kg -.800 m/s -.70 kgm/s 0.40 m/s 3.00 kg 0.30 kg 0.900 m/s -3.00 m/s 4.09 m/s
- Problem 7.44 Billiard ball A of mass m = 0.123 kg moving with speed vA = 2.80 m/s strikes ball B, initially at rest, of mass mB = 0.135 kg As a result of the collision, ball A is deflected off at an angle of 0, = 30.0° with a speed v', = 2.10 m/s, and ball B moves with a speed v, at an angle of 0, to original direction of motion of ball A.e left margin. ead all parts of your assignment carefully and record your answers in the appropriate aces. If you have difficulty with an assignment, go back to your Student Module ooklet and review the appropriate lesson. Be sure to proofread your answers carefully efore submitting your Assignment Booklet. ection 3 Assignment: The Physics of Collisions 107 r questions 1 to 5, read each question carefully. Decide which of the choices BEST mpletes the statement. Place your answer in the blank space given. Use the following information to answer questions 1 and 2. = 210 1. The item with the least momentum is A. I B. II C. III D. IV I. a 70-kg swimmer swimming 3 m/s II. a 0.5-kg ball travelling 30 m/s III. a 1000-kg car travelling 0.5 m/s IV. a 0.010-kg bullet travelling 600 m/s 2. The item with the greatest momentum is A. I B. II C. III D. IV 3. If the velocity of an object doubles and its mass triples, the object's momentum increases A. 1.5 times B. 2 times C. 3 times D. 6 times 2000…a. Indicate the direction of the momentum of each ball after collision b. Were the two balls both moving or can one be initially at rest before collision? To answer this, choose sample initial velocities representing both cases c. Solve each situation using the formulas for elastic collision d. Analyze your answer in (b) by comparing your results in (c)
- Use the following scenario for questions 3-5. Cart 1 (m = 5.0 kg) is traveling to the right with a velocity of 3.0 m/s when it collides elastically with cart 2 (m = 10 kg). Cart 2 was motionless prior to the collision. Cart 1 is motionless after the collision. 3. Calculate the magnitude of momentum that was transferred to cart 2 during the collision? A. 0.0 kg*m/s. B. 5.0 kg*m/s C. 7.5 kg*m/s D. 15 kg*m/s minate Education TM, Inc.A 0.300-kg ice puck, moving east with a speed of 5.44 m/s, has a head-on collision with a 0.990-kg puck initially at rest. Assume that the collision is perfectly elastic. Part A What is the speed of the 0.300-kg puck after the collision? Express your answer to three significant figures and include the appropriate units. Submit Part B THA Submit Value Part C to the east to the west Request Answer What is the direction of the velocity of the 0.300-kg puck after the collision? 12 ✔ Request Answer Units What is the speed of the 0.990-kg puck after the collision? Express your answer to three significant figures and include the appropriate units. ? O P 410 of 14 I Review | Constants On a highly polished, essentially frictionless lunch counter, a 0.510 kg submarine sandwich moving 3.40 m/s to the left collides with a 0.240 kg grilled cheese sandwich moving 1.05 m/s to the right. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Inelastic collision on an air track. Part A If the two sandwiches stick together, what is their final velocity? Express your answer with the appropriate units. Enter positive value if the direction of the velocity is to the right and negative value if the direction of the velocity is to the left. HẢ ? Value %3D Units
- Problem Solving: On a separate sheet of paper solve the problems below. 1. A 10 kg mass traveling 2 m/s meets and collides elastically with a 2 kg mass traveling 4 m/s in the opposite direction. Find the final velocities of both objects. 2. A 3,000 kg truck travelling at 50 km/hr strikes a stationary 1,000 kg car, locking the two vehicles together. a) What is the final velocity of the two vehicles? b) How much of the kinetic energy is lost to the collision?Looking at the picture below, what kind of a collision is this? Elastic, inelastic, or completely inelastic. Explain your answer. 1.8 m/s 4 kg 0.2 m/s 6 kg Before 0.6 m/s 4 kg 1.4 m/s 6 kg AfterWhat would be the type of collision of the image below? a.) Elastic b.) Inelastic c.) Completely Inelastic d.) No collision Momentum & Energy: Elastic and Inelastic Collisions Animation Speed Run slower faster Pause Elasticity (enter a number between 0 and 1)0 Reset totally inelastic Vud Vulue VCOM Initial KE red = 250 J Initial KE blue = 250 J Show Energy & Momentum Values Initial p red = 50 kgmis Initial p blue = -50 komis Velocity of red box = 10 mis Velocity of blue box-10 mis COM Pred Pelue (+) Positive Direction Show Center of Mass Initial velocity of red box (m/s) =10 Initial velocity of blue bax (m/s) =-10 Relative velocity initial = 20 (towards) Mass of red box (kg) =5 Show Relative Velocity Mass of blue box (kg) =5 la