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    E=mc^2 c=3.0X10^8 (2 s.f), m= 2.4 (2 s.f)
    Calculate the lower bound of E. Calculate the upper bound of E.
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    (Original post by JJIANG)
    E=mc^2 c=3.0X10^8 (2 s.f), m= 2.4 (2 s.f)
    Calculate the lower bound of E. Calculate the upper bound of E.
    What have you tried?
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    ngl thought this was some petition to lower grade boundaries
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    (Original post by surina16)
    ngl thought this was some petition to lower grade boundaries
    Same!
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    (Original post by RDKGames)
    What have you tried?
    the answer :the lower bound 2.05X10^17,the upper bound 2.28X10^17,but i can't work out
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    (Original post by surina16)
    ngl thought this was some petition to lower grade boundaries
    Loooooool

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    (Original post by JJIANG)
    the answer :the lower bound 2.05X10^17,the upper bound 2.28X10^17,but i can't work out
    Yeah but show your working towards your incorrect answer. What have YOU tried?
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    (Original post by RDKGames)
    Yeah but show your working towards your incorrect answer. What have YOU tried?
    Yeah,i work out now ,c=2.95X10^8
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    (Original post by JJIANG)
    Yeah,i work out now ,c=2.95X10^8
    Yeah that would be the lower bound of the speed of light, you also need the lower bound of the mass to go with it.
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    (Original post by RDKGames)
    Yeah but show your working towards your incorrect answer. What have YOU tried?
    c=2.5X10^8 is my wrong answer
 
 
 
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