Mathematics, 06.11.2019 03:31 pineapplepizaaaaa
The 40-ft-long a-36 steel rails on a train track are laid with a small gap between them to allow for thermal expansion. determine the required gap d so that the rails just touch one another when the temperature is increased from t1=-20f to t2=90f. using this gap, what would be the axial force in the rails if the temperature rises to t3=110f? the cross-sectional area of each rail is 5.10 in2
Answers: 3
Mathematics, 21.06.2019 17:30
Which of the following is true for the relation f(x)=2x^2+1
Answers: 3
Mathematics, 21.06.2019 20:00
Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?
Answers: 1
Mathematics, 22.06.2019 00:30
Bo is buying a board game that usually costs bb dollars. the game is on sale, and the price has been reduced by 18\%18%. which of the following expressions could represent how much bo pays for the game? choose 2 answers: choose 2 answers: (choice a) a 0.82b0.82b (choice b) b 1.18b1.18b (choice c) c b-0.18b−0.18 (choice d) d b-18b−18 (choice e) e b-0.18bb−0.18b
Answers: 2
The 40-ft-long a-36 steel rails on a train track are laid with a small gap between them to allow for...
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