Problem 2RCQ
If you touch the metal sides inside of an oven with a bare hand, you’re in trouble. But hold your hand briefly in the oven air and you’re okay. What does this tell you about the relative conductivities of metal and air?
Chapter 1 PHYS 1220 SI Units SI units are used for equations in the course o The SI unit for time is the second (s) o The SI unit for length is the meter (m) o The SI unit for mass is the kilogram (kg) Numbers can be simplified using scientific notation Units can be converted using a conversion factor Dimensional Analysis Density ρ=(m/v) Dimensional analysis when the dimensions of a quantity instead of the value are used to solve a problem; this is often used to check a problem Dimensions can be treated as algebraic symbols for example: o V=l*w*h each is a unit of length so volume is
