A billiard ball moving at 5.95 m/s strikes a stationary ball of the same mass. After the collision, the first ball moves at 4.93 m/s, at an angle of 34° with respect to the original line of motion. (a) Find the velocity (magnitude and direction) of the second ball after collision. (Enter the direction with respect to the original line of motion. Include the sign of your answer. Consider the sign of the first ball's angle.) m/s (b) Was the collision inelastic or elastic? O inelastic O elastic
Rigid Body
A rigid body is an object which does not change its shape or undergo any significant deformation due to an external force or movement. Mathematically speaking, the distance between any two points inside the body doesn't change in any situation.
Rigid Body Dynamics
Rigid bodies are defined as inelastic shapes with negligible deformation, giving them an unchanging center of mass. It is also generally assumed that the mass of a rigid body is uniformly distributed. This property of rigid bodies comes in handy when we deal with concepts like momentum, angular momentum, force and torque. The study of these properties – viz., force, torque, momentum, and angular momentum – of a rigid body, is collectively known as rigid body dynamics (RBD).
![**Physics Problem: Billiard Ball Collision**
A billiard ball moving at **5.95 m/s** strikes a stationary ball of the same mass. After the collision, the first ball moves at **4.93 m/s**, at an angle of **34°** with respect to the original line of motion.
**Questions:**
(a) **Find the velocity (magnitude and direction) of the second ball after collision.**
- Enter the velocity in m/s: [Text Box]
- Enter the angle in degrees: [Text Box]
*(Direction is with respect to the original line of motion. Include the sign of your answer. Consider the sign of the first ball's angle.)*
(b) **Was the collision inelastic or elastic?**
- [ ] Inelastic
- [ ] Elastic
*This problem involves understanding the concepts of momentum conservation and energy conservation in elastic and inelastic collisions.*](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2d158991-3671-4459-aef6-bd0615668acc%2Fe50558b8-dc5a-4380-9104-b6a4a9bcb8d1%2F9d9nfp_processed.png&w=3840&q=75)
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