What is the density of an object if it has a mass of 73 grams and a volume of 3.8cm3?

You will be galileo perform the experiment to determine if objects with different mass fall at the same, or different, rates in the air and in a vacuum. (refer to the walk-through video to locate the online lab within the online textbook).

A4.0-cm tall light bulb is placed a distance of 32.0 cm from a concave mirror having a focal length of 16.0 cm. determine the image distance

The built in flash in a compact camera is usally capable of giving correct exsposure for distance up to how many meters?