Homework Statement
A 12.9 kg case of bottled water is released from rest down a shipping ramp inclined 27.2° to the horizontal. At the base of the ramp, oriented parallel to its surface, is a spring that can be compressed 2.12 cm by a force of 280 N. The case of water moves down the ramp and...
Homework Statement
Two rubber bands stretched to the standard length cause an object to accelerate at 2 m/s^2. Suppose another object with twice the mass is pulled by four rubber bands stretched to the standard length. The acceleration of this second object is: ??
The correct answer is...
Sorry for not using the proper post format. I'm typing on my phone and the post template doesn't show up.
Question: a box is sitting in the back of a truck which accelerates forward when a traffic light turns green. Which of the following statements is correct if the boxdoes not slip?
The...
Homework Statement
If I have a number with an uncertainty and I want to divide it by a number without an uncertainty (ex. if it's just a constant, like pi), what do I do with the uncertainty? Is it ok to just divide the uncertainty by that number?
ex. (4.05 +/- 0.3) / 3
Do I divide the 0.3...
Homework Statement
This is just a general question. When you have a velocity-time graph, I know that the area under the graph is the displacement. How about the distance? It's not the same as the displacement value, is it?
Homework Equations
n/a
The Attempt at a Solution
I'm...
Be my guest!
Ah right! I forgot about that.
They're 10cm apart and attract each other with a magnitude of 3.0 x 10^-6 N. I don't think it matters though.
I'm a her .. :)
I did learn about induction, but that was a while ago. I haven't touched physics in a few years.
Thanks for all the help! Greatly appreciated!