- #1
Apollinaria
- 82
- 0
Hello again everyone!
I've been plowing through yet another worksheet and thought I'd been okay until my solutions and formulas stopped working :( I was wondering if someone could tell me what I'm doing wrong. Thanks for reading!
- A 225g ball moves right with a velocity of 30cm/s. (.225kg and .3m/s)
- This ball collides with a 125g ball also moving to the right with a velocity of 10cm/s.
(9.125kg and .1m/s)
- After they collide the velocity of the 125g ball is 24cm/s(.24m/s) to the right. What is the velocity of the 225g ball after the collision?
2. Homework Equations & 3. The Attempt at a Solution
I showed all of my work (information and relevant equations) in the attached document. What I don't understand is why it's all wrong and why the direction I got is negative (it's positive in the answer key).
Any help would be really appreciated. I have a whole page of these to do but this one is stopping me as I am obviously doing something wrong.
I've been plowing through yet another worksheet and thought I'd been okay until my solutions and formulas stopped working :( I was wondering if someone could tell me what I'm doing wrong. Thanks for reading!
Homework Statement
- A 225g ball moves right with a velocity of 30cm/s. (.225kg and .3m/s)
- This ball collides with a 125g ball also moving to the right with a velocity of 10cm/s.
(9.125kg and .1m/s)
- After they collide the velocity of the 125g ball is 24cm/s(.24m/s) to the right. What is the velocity of the 225g ball after the collision?
2. Homework Equations & 3. The Attempt at a Solution
I showed all of my work (information and relevant equations) in the attached document. What I don't understand is why it's all wrong and why the direction I got is negative (it's positive in the answer key).
Any help would be really appreciated. I have a whole page of these to do but this one is stopping me as I am obviously doing something wrong.