Posted by **Chan** on Tuesday, December 1, 2009 at 6:01pm.

Hi! help me please, Thank you.

A spherical steel ball bearing has a diameter of 2.540 cm at 23°C.

(a) What is the diameter when its temperature is raised to 94°C?

cm

(b) What temperature change is required to increase its volume by 0.9%? I only need help on part b.Thank

- physics -
**drwls**, Tuesday, December 1, 2009 at 6:04pm
The subject is mispelled, again. Pleases get it right.

Volume is increased 0.9% when linear dmensions are increaed 0.3%, when the relative chance is much less than 1, as is the case here.

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