The Student Room Group
Competition - post a photo you've taken of nature >>
Competition - post a photo you've taken of nature >>
Competition - post a photo you've taken of nature >>

Gcse maths the lower bounds

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.
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?
ngl thought this was some petition to lower grade boundaries :biggrin:
Original post by surina16
ngl thought this was some petition to lower grade boundaries :biggrin:


Same!:biggrin:
Reply 4
Avatar for JJIANG
JJIANG
OP
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
Original post by surina16
ngl thought this was some petition to lower grade boundaries :biggrin:


Loooooool:smile::smile::smile:

Posted from TSR Mobile
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?
(edited 7 years ago)
Reply 7
Avatar for JJIANG
JJIANG
OP
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
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.
Reply 9
Avatar for JJIANG
JJIANG
OP
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

Quick Reply

Related discussions

Latest

Trending

Trending

Articles for you