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  • Is Kinetic Energy Limitless?

    Gautami Shetty

    Member

    Updated: Oct 26, 2024
    Views: 1.2K
    does kinetic energy have any upper limit its lower limit would be zero but what about upper limit??
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Replies

  • sksaxena

    Member • Feb 8, 2013

    Definitely it's upper limit is also finite practically. Atleast on earth, force of friction is always an answer to your question, which retards the motion.
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  • Gautami Shetty

    Member • Feb 8, 2013

    okay i get that practically v have a upper limit but what about dis case..
    If velocity of anythng is equal to velocity of light (hypothetically) which is the maximum velocity of anythng as far as i know.... Bt if that thng's mass be inc.. Den v dnt knw hw much would the k.e be...???
    And if any such thing is made is it possible to stay in earth's surface or would it escape earths gravitational field?????
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  • Ramani Aswath

    Member • Feb 9, 2013

    Each celestial object has an escape velocity that is defined by the gravitational field of that object. The escape velocity for earth is a small 11.2 km/sec, way below the speed of light.
    <a href="https://hypertextbook.com/facts/2005/LeoTam.shtml" target="_blank" rel="nofollow noopener noreferrer">Speed Needed to Escape the Earth (Escape Velocity) - The Physics Factbook</a>

    You better read some basic physics text on the theory of relativity for your other doubts. Too long to explain here.
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  • Gautami Shetty

    Member • Feb 11, 2013

    i know about escape velocity dats y i said nt practically bt what bout theorotically
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  • Ramani Aswath

    Member • Feb 11, 2013

    You can calculate the escape velocity for any gravitational system using Newton's Laws. Only black holes prevent any escape. It is unlikely thaat anything within a black hole has a defined mass and shape that can acquire a KE enough to escape.
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  • Gautami Shetty

    Member • Feb 14, 2013

    hmmm....... that's true thanks a lot my old doubt has been cleared
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