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Questions waiting for answers here!

  • If energy is mass-less then why does it cause linear momentum?
  • one object is thrown upward with velocity v from height h and another object is thrown downward with same velocity v and other object is thrown horizontally with same velocity v. which of the above will get maximum speed while touching the ground?

Attn: Physics Teachers ! You are invited to disburse your lecture notes through askphysics.com – Free!!!

Many Physics Teachers want to provide online notes and other study materials for their students. But they do not find a suitable platform for it. Here we can help you. Just join the site and intimate us the username along with a request (use the ask a question link) to upgrade your account as contributor. We will upgrade your account as contributor and thereafter you will be able to post your study materials, question bank, previous question papers, lecture notes study tips etc as blogs. You can even upload the study materials (pdf, doc etc)and photographs.

English: A scematic representation of the targ...

Your contributions will be published only after review. Once published, you can give the links to students so that they can use the notes and other study materials.

Science study materials upto class 10 will also be accepted.

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Speed of Light and Protons

If the definition of the speed of light is for massless particles, then how is a proton, having mass, accelerated to the speed of light?  This sounds like a conumdrum.

Posted Thierence

Answer:

No massive particle has not so far crossed the speed of light. Even the extremely light particles – the neutrinos – couldnot cross the speed of light. Protons have not crossed the speed of light. When it nears the speed of light, the relativistic mechanics will become prominent and the it is to be treated is different from the classical mechanics.

Ask Physics Forum

As per request from students, I have created a forum where students can register login and post their questions. Any member can ask questions or post answer to the questions posted. This is on trial basis. If found not secure against spam or illegal activities, the site will be stopped.

Visit the ask physics forum here

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