Can schedule 40 pvc pipe hold 50psi of air without blowing up? I have a project at school to make an air cannon and we have to use a bike pump to pressurize the cannon with 50psi of air. We can only spend 20$ so I was thinking that I could use schedule 40 pvc pipe to hold my air. What do you guys think?
God also gives us a brain. He expects us to do things that are practical for our safety.
i did a similar experiment, but the materials that can be used are toothpicks and glue.. our team won of course! basically you have to create a crush-zone for the egg.. just like any car crash testing, certain parts are softer(to be crushed to cushion), other parts protect(must be rigid).. try 'em and have fun.. i just love these science projects! :P
What ever you use, put a parachute on it as well because that slows the fall down substantially.
science Also try this: Here are some experiments: -A partially inflated plastic bag -Foam rubber -Styrofoam -Bubble wrap -Breakfast cereal -Water -A small trampoline -Shoe insoles Etc. There are all sorts of options. You could compare these options in terms of things like cost, weight, repeatability (does you system work once? 10 times, 100 times?), size, etc. In your experiments you could also try dropping the egg from different heights: 1 foot, 2 feet, 3 feet, etc. An egg dropped from a higher height has more energy because it is going faster. That means that the cushioning system has to absorb more energy if it is going to protect the egg from breaking. How fast is the egg going? Here are two equations that you can use to find out: time sqrt ( distance / 0.5 * acceleration) velocity acceleration * time [acceleration 32 feet / second^2] If the egg is falling from 2 feet, the distance is 2 feet, so the time is .354 seconds. That means that the egg has a velocity of 11.3 feet per second when it hits the counter. If the egg falls from 3 feet, the velocity is 13.9 feet per second, or 23% faster. If you drop it from 8 feet, the speed is 22.6 feet per second. It will take a lot more padding to protect an egg falling that fast.
