(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

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 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.

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.

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