Problem 39
A
Problem 40
A
Problem 41
Ethylene glycol (antifreeze) has a density of
Problem 47
Think of something from your everyday life about which you are curious. Design an experiment or set of measurements that might help satisfy your curiosity. What are the possible results? What would they show?
Problem 52
Obtain an outdoor thermometer and record the temperature every day for one month. Be sure to record the temperature at the same time every day. Make a graph of your temperature beginning with day 1 and ending at day 30 . Are there any trends in the temperature? If there is a trend, calculate the average daily change.