# Search results

• Users: Foon
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1. ### Electric, Magnetic, and Gravitational Fields

I'm having trouble with the second part to this question and would really appreciate help, it comes with a diagram that I've tried my best to copy so I hope it will help you help..me o.O; Thanks Question: A ping pong ball of mass 3.0 x 10^-4 kg hangs from a light thread 1.0m long...
2. ### Involving Rate determining steps

I have no idea how to figure this one out, I've been hacking away at it all evening. Please help :frown: Consider the general reaction: 2A + B --> 2E + F The experimentally determined rate law equation is written as follows: Rate = k[A][B] A proposed mechanism for the reaction...
3. ### Momentum Problem and final velocities

I've been hacking away at this question for a while but I'm really getting nowhere. All I know is that its supposed to be broken down into components or something. Any helps would be appreciated. Question: Two balls of equal mass (m) undergo a collision. One ball is initially stationary...
4. ### Extremely Confusing Energy Question - Involves Springs

I drew out a diagram for this question and wrote out all my givens. I looked through all the formula's I have and I just can't put the pieces of the puzzle together. If anyone can help that would be greatly appreciated. Question: A 1.5kg steel mass is dropped onto a vertical compression...
5. ### Toboggan physics problem

I'm in grade 12 physics and I'm having a lot of trouble so far. I have an assignment due tomorrow but I can't get this one hard question. Any help would be appreciated. A 25.6kg child pulls a 4.81kg toboggan up a hill inclined at 25.7 degrees to the horizontal. The vertical height of the hill...