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SubjectDate AskedExpert
Orbit Time x ?10/3/2009Mohammad
  Q: Orbit Time x ? I am so excited about this question, For the sake of the question let's ...
  A: AL I'm sorry, but actually I didn't know what do you want from this question in fact! but in ...
acceleration of gravity9/9/2009eigensteve
  Q: I am home schooling my 8th grade son and we came to a section about the acceleration of gravity. It ...
  A: You are correct that if the object fell for 1000 seconds, then it would reach a speed of 32,000 fps. ...
Weird Atom based Sci-fi Query :)9/7/2009eigensteve
  Q: I’m betting this may be one of the weirder questions you’ll get today. There is, however, method to ...
  A: There is a way to remove atoms, possibly by hitting them with some form of radiation (probably a ...
physics8/26/2009eigensteve
  Q: If the cow refuses to pull a cart because he knows that it is against Newton's 3rd law of motion. If ...
  A: There are a number of forces involved in this problem that make it slightly more complicated. For ...
theoretical physics8/15/2009eigensteve
  Q: Explain what is meant by singularity? How can you relate this terminology to physical system?
  A: Singularity in math typically refers to a point at which a function becomes infinite. This often ...
uncertainty and light8/4/2009eigensteve
  Q: We know that by the De broglie's theorem, the momentum of a light photon traveling at the speed of ...
  A: That is an excellent question. I am not an expert in quantum mechanics, but this is my take on ...
Conceptual problem7/17/2009Mohammad
  Q: I'm a guy from India currently preparing for the entrance exam of the IIT(Indian Institute of ...
  A: Shikhin Your method for finding the maximum extension in the spring is completely true and perfect, ...
Velocity Derivation7/16/2009eigensteve
  Q: Why does velocity= 2*distance/time? Why does velocity= 2*distance/time? I found it on NOVA: ...
  A: We want the velocity of the foam relative to the shuttle. We assume that the foam starts with 0 ...
force7/12/2009Mohammad
  Q: kindly I'll hope to have an answer for this question Mr.Mohammad why do our body doesn't seem to be ...
  A: Mula First, you need to know what does "Force" in physics mean, Force is a quantitative description ...
Ice Engine7/11/2009Mohammad
  Q: Will you please help me with some suggestions on how to build my invention, the ICE ENGINE? Here ...
  A: Mike This is a fascinating concept, aside from two tiny but enormous flaws. The first is obvious, ...
Ice Engine7/11/2009eigensteve
  Q: Will you please help me with some suggestions on how to build my invention, the ICE ENGINE? Here ...
  A: To freeze or unfreeze water as quickly as possible would probably require a heat sink/source with a ...
Mechanics7/10/2009Mohammad
  Q: A tunnel is made throughout the earth's diameter and a body of 40kg is dropped. What will be it's ...
  A: Nazmus The diameter of the earth is x=12,756.32 kilometers (at the equator) theoretically, to find ...
material strengths6/28/2009eigensteve
  Q: I need to be able to determine how much weight a structure can hold. I was wondering if you could ...
  A: Statics is not my area of expertise. That said, I can recommend a couple of books: "Vector ...
How much weight can a structure hold?6/27/2009Mohammad
  Q: I need to be able to determine how much weight a structure can hold. I was wondering if you could ...
  A: Jack I didn't understand perfectly what did you mean by small pipes sticking out of the hypotenues. ...
Automobile Engg.6/19/2009eigensteve
  Q: What does the torque developed by an automobile engine indicate? For instance, when we say the ...
  A: Torque is a force applied at some distance. A good example is a wrench. If I apply 10 Newtons of ...
PHYSICS6/11/2009eigensteve
  Q: a particle moving with uniform acceleration in straight line has velocity v1 at A and v2 at B.Find ...
  A: You need to use the kinematic formulas relating position, velocity, and acceleration. Remember, the ...
period of a mechanical oscillation6/3/2009Mohammad
  Q: Mohammad I have test in physics and I'm looking for your help, we have an object of mass 'm' that ...
  A: well this object while oscillating has a mechanical energy, and because of neglection of frictional ...
moving of the car26/3/2009Mohammad
  Q: Mohammad Well I still have some troubles in understanding the case where the force of the motor is ...
  A: Well look, when a car is moving on a horizontal road, four forces are applied on this car: ...
moving of the car6/2/2009Mohammad
  Q: Mohammad I'm confused somehow in the concept of newton's 2nd law, well when we have a car moving, ...
  A: Well it's not so strange to feel confused. Well it's so easy, the motor of the car exerts a force ...

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