. Using the combined volume of twenty pennies, calculate the average volume of one penny.
Compare it to the accepted volume of 0.3515 cm as well as your answer for one penny.
Were either of your calculations close to the accepted value? Why or why not?

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

Because air contracts as it cools, the air pressure inside a freezer is typically lower than on the outside. why do ice cubes inside a freezer tend to shrink over time? a. the ice dissolves oxygen from the air, forming a denser crystalline matrix. b. the ice reacts chemically with carbon dioxide in the air, forming gaseous carbon compounds. c. the ice melts, and then the liquid freezes as ice crystals on the bottom of the freezer. d. the ice sublimes, and then the water vapor deposits as ice crystals on the sides of the freezer.

Which of the following are guidelines to follow for obtaining accurate observations