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The active element of a certain laser is made of a glass rod 25.0 cm long...

The active element of a certain laser is made of a glass rod 25.0 cm long and 1.60 cm in diameter. Assume the average coefficient of linear expansion of the glass is equal to 9.00  10-6 (°C)−1. The temperature of the rod increases by 62.0°C.

(a) What is the increase in its length?
cm

(b) What is the increase in its diameter?
cm

(c) What is the increase in its volume?
cm3

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