Physics
Favorites|Homepage
Subscriptions | sitemap

Physics

An airplane is flying at a rate of 100km/h north. Inside of

An airplane is flying at a rate of 100km/h north. Inside of the airplane I throw a ball at a speed of 50km/h. What is the relative velocity?a) towards the front of the plane? b) towards the back of the plane?...

If you fired an anti-tank rifle straight up, could the bulle

If you fired an anti-tank rifle straight up, could the bullet leave the Earth?If no, are there any guns that could fire a bullet into space?...

Can anyone explain Einsteins theory of evolution?

Can anyone explain Einsteins theory of evolution?...

Is it possible for a plane to go 'round the world so fas

Is it possible for a plane to go round the world so fast the passengers get stuck to the ceiling?Could the wings provide a downward force to prevent the plane from off into space?...

How does a photon/wave know to go around the sun rather than

How does a photon/wave know to go around the sun rather than straight through its gravity well?...

Einstein was wrong about the speed of light?

Einstein was wrong about the speed of light?In special relativity, it is impossible to accelerate an object to the speed of light?What about the universe itself? Dark energy is causing it to expand faster than the speed of light?What about m...

If you were to fly a drone in the air in a stationary positi

If you were to fly a drone in the air in a stationary position for 24 hours, could the world make a full rotation underneath?This would assume that it did not hit any mountains or obstacles in the 24 hours. Also, could you then attach a came...

If scientist are not lying and weight does not matter in spa

If scientist are not lying and weight does not matter in space. Then why cant you push earth around by pressing on the ground?...

I've been told that in order to make glass you must take

Ive been told that in order to make glass you must take sand and launch it into the omega sun, is this true?...

Why do we have 3 ways to measure temperature?

Why do we have 3 ways to measure temperature?Fahrenheit, Celsius, and Kelvin. Are there more? What are their uses?...

How do we know that the quantum world doesn't make sense

How do we know that the quantum world doesnt make sense?Maybe were not asking the right questions, or using a powerful enough microscope? It is what it is- not a maybe, a probability, or a 1/2 existence- otherwise it wouldnt be....

The idiot box and space time?

The idiot box and space time?Is a TV a space-time warp ? The space in a TV set is virtual (dimensionally not accessible). If you are 3 meters in front of a TV set the electromagnetic waves reach you after 0.01 microseconds. That is looking b...

Do you agree or disagree with what I think?

Do you agree or disagree with what I think?I think yahoo answers is NOT a reliable site for factual answersI think this way because I highly doubt there are trained, educated or qualified doctors, lawyers, polticians, psyhcologist, and teach...

Why is Hiroshima habitable now when the half life of uranium

Why is Hiroshima habitable now when the half life of uranium 235 is 70 million years?...

What’s the difference between a nuke bomb and a atomic bomb

What’s the difference between a nuke bomb and a atomic bomb, did we actually nuke japan or atomic bomb them?...
  • 首页
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 下一页
  • 末页
  • 7103
  • New
    Hot
    © 2008-2010 science mathematics . Program by zplan cms. Theme by wukong .