Why is it not advisable to sterilize a clinical thermometer in boiling water at normal

The speed of light in a material is 0.50 c. what is the critical angle of a light ray at the interface between the material and a vacuum?

1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? yourunits 3. a clothes dryer uses about 2 amps of current from a 240 volt line. how much power does it use? yourunits 4.

What causes the formation of ocean currents?