Direct Link: http://i.imgur.com/OuaaCGK.png Please make sure to explain accurate

Question

Direct Link: http://i.imgur.com/OuaaCGK.png

Please make sure to explain accurately

2. Two objects collide on a level, frictionless table. The mass of object A is 5.0 kg; the mass of object B is 3.0 kg . The objects stick together after the collision . The initial velocity of object A and the final velocity of both objects are shown. In the space provided, draw separate arrows for object A and for object B representing the direction of the change in momentum vector of the object. Is the magnitude of the change in momentum of object A greater than, less than, or equal to that of object B? Explain your reasoning. System C is the system of both objects A and B combined. How does the momentum of system C before the collision compare to the momentum of system C after the collision? Discuss both magnitude and direction. Construct and label a vector showing the momentum of system C at an instant before the collision. Show your work clearly. Construct and label a vector showing the initial velocity of object B. Show your work clearly.

Explanation / Answer

1. Momentum along X axis after collision = 8*0.3 =2.4kgm/s

Before collison X axis Momentum of A: 5*0.8=4kgm/s

thus momentum of B before collision = 1.6kgm/s

Along Y axis: After collision= 8*0.6 = 4.8kgm/s

before collision: 5*0.6=3kgm/s

the momentum of B before collision = 1.8kgm/s

The magnitude of momentum of A before collision = 5kgm/s

After collision it is =5.366kgm/s

The net momentum of B = 2.4 kgm/s

the net momentum of A = 5kgm/s

The net system momentum = 5.336kgm/s

The change of B is greater.

Comparision can be done based on above results.

Related Questions

Navigate

• Browse (All)
• Browse D
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.