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Find the final temperature of the ball

  1. Nov 22, 2004 #1
    A copper ball with a radius of 1.5 cm is heated until its diameter has increased by 0.20 mm. Assuming a room temperature of 22°C, find the final temperature of the ball.
     
  2. jcsd
  3. Nov 22, 2004 #2
    What have you tried?
     
  4. Nov 22, 2004 #3
    well, I know that the coefficient of linear expansion for copper is 17 x 10^-6, so it's coefficient of volume expansion is 3 times that.. and I know that the volume has changed by about .54. I'm not really sure what to do with this though
     
  5. Nov 22, 2004 #4
    I assume I'm using the equation delta V = BV(delta T), but when I do this I get a huge number
     
  6. Nov 22, 2004 #5
    nevermind, I got it. I was subtracting 22 instead of adding it. The answer is 410.27 right?
     
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