Recent content by Bissli

Thanks for the help Mrjeffy, I was also wondering if anyone knew exactly what shaving cream does when you shave? lubricant? cushion?

Four our huge IB Group 4 science project, we are doing an experiment where we are placing different brands/types of shaving creams into a vacuum bell jar and measuring the expandability of each cream. Then we are having men test out the shaving creams, and seeing if the expandability of the...

i think we are allowed to use the constant, at least i am, and could someone please explain how a pendelum would help?

My class was given an assignment to design an experiment where we could determine the mass of the Earth, using the equipment found in our lab. (basic high school stuff) I know we use gravitation pull in some way, towards the sun (?) but all the research I've done and explanations I've found...

I'm a little confused on how you suggest in measuring the height ("into a height of 1ft??"), and how you suggest we have this built. we can't measure how much of band is being stretched out, because it is inside the tube, but we are measuring with a rope that is attached to what we could use as...

I am building a tennis ball launcher for my physics class, and it needs to be no bigger than 1m X 1m, it must reach to a target that is 2 - 7m away from the launch site, and the target may or may not be at a certain height. No fire, explosives, gasses may be used. It must run on pure mechanical...