(e) The mass of the blue puck in Figure 4 is 20:00% greater than the mass of the grean one Before colliding.the pucks approach each other with equal and opposite momenta, and the green puck has an initial speed of 12.00 m's Find the speeds of the pucks after the collision if half the kinetic energy is lost during the collision. 30.0 30.0 Figure 4: Collision

(e) The mass of the blue puck in Figure 4 is 20:00% greater than the mass of the grean one Before colliding.the pucks approach each other with equal and opposite momenta, and the green puck has an initial speed of 12.00 m's Find the speeds of the pucks after the collision if half the kinetic energy is lost during the collision. 30.0 30.0 Figure 4: Collision

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question 2 Partially Elastic Collision. Particle X of mass 2 kg and particle Y of mass 4 kg was moving in a frictionless plane. Particle X had an initial speed of 12 m/s while Particle Y had an initial speed of 4 m/s, both particles initially moving to the right. After sometime, particle X was able to catch up and then had a head on collision with particle Y. After collision, Particle X's velocity was 9 m/s to the right. How much mechanical energy was lost because of the collision? Express your answer in J with two decimal places.
A 5.0 kg ball is rolling north at 2.50 m/s when it collides with a 6.0 kg ball which isinitially at rest. Given that the collision is perfectly inelastic, calculate the final velocitiesof both balls.
A 2.00-g particle moving at 5.40 m/s makes a perfectly elastic head-on collision with a resting 1.00-g object. (Assume the 2.00-g particle is moving in the positive direction before the collision. Indicate the direction with the sign of your answer.) (a) Find the velocity of each particle after the collision. 2.00-g particle 1.00-g particle m/s m/s (b) Find the velocity of each particle after the collision if the stationary particle has a mass of 10.0 g. 2.00-g particle 10.0-g particle m/s m/s (c) Find the final kinetic energy of the incident 2.00-g particle in the situations described in parts (a) and (b). KE in part (a) KE in part (b) J J In which case does the incident particle lose more kinetic energy? case (a) case (b)
A bumper cap "A" (mass of A = 140kg) with a velocity of 15 km/hr hits a another car "B" (mass of B = 160kg) which was immobile before impact. The collision is perfectly elastic & the frictions are considered negligible. Calculate the time at which the bumper cars are 2m apart from each other after the collision
Consider the two pucks shown in the figure. As they move towards each other, the momentum of each puck is equal in magnitude and opposite in direction. Given that v; oreen = 12.0 m/s, and mblue is 25.0% greater than mareen, what are the final speeds of each puck (in m/s), if - the kinetic energy of the system is converted to internal energy? 30.0 30.0 Vgreen m/s V blue m/s
In inelastic collision: a) Both linear momentum and energy are conserved. b) Linear momentum is conserved, but energy is not conserved. c) Linear momentum is not conserved, but energy is conserved. d) Both linear momentum and energy are not conserved.
An object (A) of mass 28kg is moving in a direction that makes angle of 42 degrees north of east with a speed of 5.00m/s, while object (B) of mass 16kg is moving due north with a speed of 8m/s. The two objects idea and stick together in a completely inelastic collision. Find the magnitude of the final velocity of the two objects system after the collision
A billiard ball with v0 M = 10 m / s collides elasticly with another of the same mass, which is initially at rest. After the collision, the ball that was stopped fires forming an angle of 30 ° with the direction of the initial speed of the other ball. Calculate the modules of the final speeds of the two balls.
A truck with a mass of 2020 kg and moving with a speed of 17.0 m/s rear-ends a 832 kg car stopped at an intersection. The collision is approximately elastic since the car is in neutral, the brakes are off, the metal bumpers line up well and do not get damaged. (a) Calculate the initial momentum of the truck (in kg m/s). kg m/s (b) Calculate the final velocities (in m/s) for the truck and the car. vtf= m/svcf= m/s (c) Calculate the total momentum (in kg m/s) of the truck AND the car after the collision. kg m/s (d) Did you expect the results that you got for Part (a) and (c)? Yes, since momentum is conserved in a collision with no external forces acting on the colliding objects.No, since there were no forces acting on either the car or the truck during the collision. No, since kinetic energy may not be conserved.Yes, since the collision is inelastic.
Question 3 2 points An 8.0 kg cart moving right at a speed of 6.0 m/s on a horizontal frictionless surface hits another cart with mass 50 kg moving in opposite direction with speed 20 m/s Assume that the collision is perfectly elastic, what are the velocities of the two carts after collision? O a. vaky = -2.92 m/s' veleg= 6.9 m/s O b. Pukr = -0.15 m/s' vs leg = 7.8 m/s O va ke = 4.46 m/s' Vs lkg = 5.04 m/s O vale = 0.15 m/s' Ve kg = 4.15 m/s
Two billiard balls collide in an elastic collision. Which statement about total energy and momentumof the two balls is true?a) both the energy and momentum of the system are conservedb) neither the energy nor momentum of the system are conservedc) the energy of the system is conserved, but the momentum is notd) the momentum of the system is conserved, but the energy is not
A truck with a mass of 1570 kg and moving with a speed of 17.5 m/s rear-ends a 652 kg car stopped at an intersection. The collision is approximately elastic since the car is in neutral, the brakes are off, the metal bumpers line up well and do not get damaged. (a) Calculate the initial momentum of the truck (in kg m/s). kg m/s (b) Calculate the final velocities (in m/s) for the truck and the car. Vf = m/s Vf = m/s (c) Calculate the total momentum (in kg m/s) of the truck AND the car after the collision. kg m/s (d) Did you expect the results that you got for Part (a) and (c)? O No, since kinetic energy may not be conserved. O Yes, since the collision is inelastic. O No, since there were no forces acting on either the car or the truck during the collision. O Yes, since momentum is conserved in a collision with no external forces acting on the colliding objects.