Thread: Physics problem
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Pazuzu Pazuzu is online now
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Join Date: Apr 2008
Location: Houston TX
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Quote:
Originally Posted by dentist90 View Post
Corect answer... 3.66%. Your first guess was pretty good!
Closer to 2.5% of C when you sit and crank the numbers.

Quote:
Originally Posted by jyl View Post
Tell your teacher there is no calculus involved, you want a harder problem please.
Then where did that "1/2" come from in d=1/2at^2??? Calculus rears it's ugly head again!!

Quote:
Originally Posted by aigel View Post
The speeds you are getting to are relativistic. You can not solve this with classical mechanics. If the instruction is to solve this with classical mechanics, follow the path above. Otherwise you can answer this very quickly: You can not reach light speed in a space ship, as the relativistic mass increases with speed and your acceleration required to further increase velocity is going to be approaching infinity.

George
No where near relativistic. The Lorenz Factor at that velocity is 0.99679. Therefore, the velocity is in the order of that far off...about 1 mile per second off.
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Old 09-18-2009, 12:05 PM
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