A steel ball bearing is 7 cm in diameter at 17?C. A bronze plate has a hole that
ID: 2244647 • Letter: A
Question
A steel ball bearing is 7 cm in diameter at 17?C. A bronze plate has a hole that is 6.994 cm in diameter at 17?C.
What common temperature must they have in order for the ball to just squeeze through the hole?
Answer in units of ?C
A steel ball bearing is 7 cm in diameter at 17?C. A bronze plate has a hole that is 6.994 cm in diameter at 17?C. What common temperature must they have in order for the ball to just squeeze through the hole? alpha (steel) = 1.1x10^-5 per degree Celsius alpha (bronze) = 1.9x10^-5 per degree Celsius I got 107.3614143 C and it says the answer is wrong. I used the equation: Lest = Libra [7.000 cm] [ 1 + ( 1.1 x 10 - 5 (Co) - 1) delta T ] = [6.994 cm] [ 1 + ( 1.9 x 10 - 5 (Co) - 1) delta T ]Explanation / Answer
107.3614143 C is change in temperatue.
final temperature = 107.3614143 C + 17 C = 124.36*C
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