| Subject | Date Asked | Expert |
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| Orbit Time x ? | 10/3/2009 | Mohammad |
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 ...
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| acceleration of gravity | 9/9/2009 | eigensteve |
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. ...
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| Weird Atom based Sci-fi Query :) | 9/7/2009 | eigensteve |
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 ...
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| physics | 8/26/2009 | eigensteve |
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 physics | 8/15/2009 | eigensteve |
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 ...
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| uncertainty and light | 8/4/2009 | eigensteve |
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 ...
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| Conceptual problem | 7/17/2009 | Mohammad |
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, ...
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| Velocity Derivation | 7/16/2009 | eigensteve |
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 ...
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| force | 7/12/2009 | Mohammad |
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 ...
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| Ice Engine | 7/11/2009 | Mohammad |
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, ...
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| Ice Engine | 7/11/2009 | eigensteve |
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 ...
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| Mechanics | 7/10/2009 | Mohammad |
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 ...
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| material strengths | 6/28/2009 | eigensteve |
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 ...
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| How much weight can a structure hold? | 6/27/2009 | Mohammad |
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. ...
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| Automobile Engg. | 6/19/2009 | eigensteve |
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 ...
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| PHYSICS | 6/11/2009 | eigensteve |
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 ...
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| period of a mechanical oscillation | 6/3/2009 | Mohammad |
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 ...
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| moving of the car2 | 6/3/2009 | Mohammad |
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: ...
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| moving of the car | 6/2/2009 | Mohammad |
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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