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## Physics

### the sun is 93 million miles a way from earth. why do we feel the heat from the sun right away how fast is the sun ray?

the sun is 93 million miles a way from earth. why do we feel the heat from the sun right away how fast is the sun ray? -------------------------------------------------------answers: Achal say: It doe

### why can&#39;t &#39;why was the universe created&#39; be answered by scientist?

why cant why was the universe created be answered by scientist? Scientist can answer many questions about the universe, but not the question: why was the universe created suggest a reason why this q

### Atheists: do you know that you contradict yourself?

Atheists: do you know that you contradict yourself? When i said in a previous question that most of your reasonings are based on assumptions, you said NO but look at the answers of this question:https

### what is bigger a kg or meter?

what is bigger a kg or meter? -------------------------------------------------------answers: John say: A kg, kilogram, is a unit of weight; a meter is a unit of distance.The units do not measure the

### If everyone uses LED light bulbs will we prevent climate change?

If everyone uses LED light bulbs will we prevent climate change? -------------------------------------------------------answers: Andrew Smith say: No.Firstly we continue to waste enormous amounts of e

### How do bar magnets work? (More complicated. READ DESCRIPTION.)?

How do bar magnets work? (More complicated. READ DESCRIPTION.)? Since magnetic fields and magnetic force are caused by motion relative to an electric field, how can a static bar magnet create a magnet

### Why does gravity exist?

Why does gravity exist? -------------------------------------------------------answers: YKhan say: The actual answer is not known yet, but our current best hypothesis is that gravity exists to balance

### What causes variation in a transistor?

What causes variation in a transistor? -------------------------------------------------------answers: Mr. Un-couth say: Variations in doping among other things.- Duane say: As a Armature Radio Operat

### Define gravity to me?

Define gravity to me? -------------------------------------------------------answers: Bulldog Drummond say: Einstein defined gravity as curved space-time.- Jim Moor say: 1. At quantum level: not under

### which truth is mind boggling?

which truth is mind boggling? Figuring out The force which pulls us down on earth is the same that keeps moon in orbit or If speed of light is constant in all frames, time must not be absolute--------

### what prevents gravity from pulling you through the ground to the center of the earth?

what prevents gravity from pulling you through the ground to the center of the earth? -------------------------------------------------------answers: Nate say: Dont worry, its because of normal force

### hard physics question?

hard physics question? A solid sphere of radius 15 cm and mass 5 kg starts from rest androlls without slipping a distance of 8 m down a roof that isinclined at 25˚. It leaves the roof a distance of 5

### Is gravity a force or not?

Is gravity a force or not? I was taught that gravity is a fundamental force but now Im being told that gravity isnt a force, its just the curvature of spacetime caused by massive objects. So what is i

### Einstein theory is fake proof?

Einstein theory is fake proof? If space and time are the same why does walking backwards not make me a baby again?-------------------------------------------------------answers: Fawghawn L Hawn say: s

### Why can&#39;t a spaceship fly at light speed?

Why cant a spaceship fly at light speed? what are the effect on human mass-------------------------------------------------------answers: Tom say: What it boils down to is ALL motion we deal with in o
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