Conservation of Momentum problem.

Click For Summary
SUMMARY

The discussion centers on the Conservation of Momentum problem, specifically Example 17.5.1 from a physics textbook. The key point clarified is that both the larger piece and the projectile have the same initial vertical speed of zero and experience the same vertical acceleration due to gravity. Therefore, they take the same amount of time to reach the ground after the collision, which is crucial for determining the speed of the larger piece post-collision.

PREREQUISITES
  • Understanding of basic physics concepts, particularly Conservation of Momentum.
  • Familiarity with projectile motion and the equations governing it.
  • Knowledge of gravitational acceleration and its effects on falling objects.
  • Ability to analyze motion in one dimension.
NEXT STEPS
  • Study the principles of Conservation of Momentum in detail.
  • Learn about projectile motion and its equations, focusing on vertical motion.
  • Explore the effects of gravitational acceleration on different objects.
  • Practice solving problems involving collisions and the resulting motion of objects.
USEFUL FOR

This discussion is beneficial for physics students, educators, and anyone interested in understanding the principles of momentum and motion in collisions.

BareFootKing
Messages
30
Reaction score
0

Homework Statement


Example 17.5.1 page 9 :

I understand everything but one assumption that is made. " We can use this to determine the speed of the larger piece after the collision. Since the larger piece takes the same amount of time to return to the ground as the projectile originally takes to reach the top of the flight." Page 10

I don't understand why the time the larger piece takes to get to the ground is the same as the previous peace.


Homework Equations





The Attempt at a Solution

 
Physics news on Phys.org
Hi BareFootKing! :smile:
BareFootKing said:
I don't understand why the time the larger piece takes to get to the ground is the same as the previous peace.

Because both pieces have the same initial vertical speed (zero), and the same vertical acceleration. :wink:
 
Thank you very much.
 

Similar threads

  • · Replies 4 ·
Replies
4
Views
2K
  • · Replies 4 ·
Replies
4
Views
1K
  • · Replies 10 ·
Replies
10
Views
3K
  • · Replies 9 ·
Replies
9
Views
2K
  • · Replies 7 ·
Replies
7
Views
3K
  • · Replies 15 ·
Replies
15
Views
4K
  • · Replies 9 ·
Replies
9
Views
3K
Replies
15
Views
2K
  • · Replies 9 ·
Replies
9
Views
2K
  • · Replies 2 ·
Replies
2
Views
1K