umm... i am having a problem with your with your explination of how a jump works in my marble roller coaster. "The marble is traveling at a certain speed and the jump is angled upward by some angle. The marble's vertical velocity is its speed times the sine of the angle of the jump. The...
In my 11th grade physics class we had to design and make a marble roller coaster. Now we have to write a paper explaining how one aspect of our coaster works. I chose to do the jump, but I really have no idea how to explain how this works using physics. Can someone please help me? Also you can...
ok... i did that formula and got 501.34 N does that sound right? If so to find the weight at the Earth's surface would i just do Mass times Gravity? mass being 2240 kg and the gravity being 501.34 N??
and when you say this 1) Centripetal acceleration is always a = v^2 / r. Plug in the radius...
ok... on 2) here is what i did... g=Gm/d(squared) so g=(6.67X10^-11 X 5.97X10^24)/(3.58X10^7 + 6.38X10^6)*squared* forgot to square the distance in my first try... would .2238 N be a better answer?
yes I've read our chapters and they just don't describe these types of problems... do you have any type of messenger so it would be easier for me to communicate to you what I'm doing on these problems??
welll i don't know how to type out the formulas and what i plugged in?? and if I've put any effort into it, I've been working on this for the past 6 hours straight and i keep getting stuck...
ok well... i keep getting a wrong answer?? can anyone please tell me the correct answer? and i have more problems
1) to place a satellite into circular orbit 1500 km above the surface of the earth, what velocity must be given to the satellite?
2) what is the ratio of the gravitation force...
2) A science fiction writer invents a planet that has twice the radius and eight times the mass of earth. What is the acceleration due to gravity on this planet.
ok on this problem i did this, a=GM/R squared ... is that the formula i'd use?
3) A spaceship travels from the Earth directly...
I am currently in a High School Physics class... i am completely lost with what we are doing, if anyone is really good at physics and has msn messenger please add me at ameriland_06@Hotmail.com If you don't have messenger if you could just e-mail me...
here are some of the questions i have...