13. Predict whether each of the following will sink or float: a pencil lead (graphite) in corn syrup
b. acrylic in water
c. polyethylene in water

Consider a resistor with color code “orange blue brown gold” and a measured value of 370 ω. determine the following: nominal value, tolerance, % error, and the probability of another resistor from the same manufacturing batch having a value closer to nominal than this one. use matlab or excel to evaluate the erf function.

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong chain

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?