The glass around the bulb in a clinical thermometer (the conventional one) is <span>thin because glass is not a good conductor of heat. The clinician and the
</span>patient don't want to wait half an hour to get a good temperature reading. By <span>using the thinner glass, the transfer of heat into the thermometer's fluid will</span>
How often the particles of a medium vibrate
Answer:
Explanation:
Total internal reflection can happen when light goes from a medium with higher refractive index (in this case, glass) to a medium with lower refractive index (in this case, water).
Snell's Law tells us that 
, where the <em>i</em> stands for incident (in this case, glass) and the <em>r</em> for refracted (in this case, water). We want to know when 
, that is, when 
, and this happens when the incident angle is:
Which for our values means:
Answer:
Acceleration
Explanation:
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So, if an object travels in a curved path, it changes velocity, and, thus, accelerates. This acceleration must be tied to a force. ... Therefore, whenever an object travels in a curved path, there must be an unbalanced force acting upon it. It is important to understand that all this may occur without a change in speed.t
Answer:
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Explanation:
