Recent content by zwtipp05

What are Newton's laws of motion?

I think a bow and arrow has to do with the elasticity of the wood. The longer string allows for a longer piece of wood which can be bent further, giving more force.

Is that all the info given in the question? You can use conservation of energy to find the final velocity of the person, but from there I'm not sure what it is asking for.

https://www.physicsforums.com/showthread.php?t=94379

You found the vertical distance h that is traversed, what they are asking for the the distance d along the incline it travels. You have the y-component of the distance, now you have to calculate the hypoteneuse which is d. You did everything right, you just didn't take the final step.

Choose your college based on your major and then based on other things. There's no reason to go to NYU (or any college for that matter) and major in something they aren't good at. I'm not bashing any college nor do I know anything about NYU, just pick a college that fits with what you want to...

The campus itself is very nice especially for being in the middle of the city. The surrounding area isn't the best, but as long as you're not stupid about it, you'll be safe. I'm only taking one aerospace class this semester, but my professor, Larry Rekekopp, is great. He goes a little...

Have you learned about momentum and impulse yet? If so this is a simple problem. The ball is initially at rest so it's initial momentum is zero. THe change in momentum is the impulse F*dt=m*v cancel the masses to get: a*dt=v Solve for v and then it's a simple matter of finding the components.

I'm at the University of Southern California majoring in Aerospace Engineering. I'm from Ohio too, so I was a bit angry about that Penn State game, but what can you do. At least one of my teams will make it to the Rose Bowl

Do you know how to find expected value? If you find the expected value, you can find the profit. There appears to be no need to use the binomial distribution, in fact, you cannot use it here since you do not have bernoulli trials.

You should use T instead of T+1 for the second ball since it is dropped one second after ball one.

You can always declare with one of those majors and take the introductory engineering class along with math and general education requirements. That's basically what's going on wiht my schedule this semester even though I'm pretty much set on my major. Besides, it's normally very easy to...

Try as many problems as you can and have someone work out the problems so you can follow the tought process. If you see it done enough it might just click, or at least you'll have a slightly easier time with the problems

Look at the resultant Forces F=-kx not much else I can help you with without you showing what you've done. then we can point out any problems in what you're doing.

You can find a in your apparent weight equation using the total mass of the system (880 kg) and the upward force (9450 N) F=ma