two good riddles????????

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sammy1995

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1.) How would you rearrange the letter in the words "new door" to make one word?

2.) Imagine two bridges that are exactly alike except that every dimensions of one bridge is twice as large as the other. For example, the larger bridge is exactly two times longer, its structural members are exactly two time thicker, and so forth. Which of the two bridges would be stronger, or is their strength the same?

First one with both correct answers wins!
I agree with 3.145...... To the person below him/her if you can't come up with your own answer then don't answer.
 
one word
i disagree with 3.1415.... a beam that is two times as big in every dimension will be 8 times as strong as the smaller one, not twice as strong. the strength of beam goes up exponentially (to the 3rd power)with its depth, not linearly. so if you double the depth, 2^3 = 8 times stronger. as long as the materials are exactly the same, the strength would be the same as strength is in psi, which is material dependent.
 
1.) one word

2.) The smaller bridge is twice as strong. If a steel girder, B, is twice the size of girder A in every dimension, it will be twice as strong as girder A but it will weigh eight times as much. The double-size bridge could be so weak that it would collapse under its own weight.


Edit: I think that it is wrong if you pick the person below me for the right answer. And to the person below me do you really think that they are gonna pick you? Find your own answers or dont even answer.
 
1) haha! i got it from the guy above: one word.

i didnt see the second answer tho, so ill try to answer it...

2) the same...?
 
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