A 1 mm diameter of the cylindrical soruce of co 60 used in cobalt 60 unit of the source to diaphragm distance is 40 cm and soruce to surface distance is 1m the penumbra at 10 cm depth is​

12 drag each label to the correct category. decide whether each statement describes mass or weight. measured in newtons measured in kilograms does not change when gravity changes === a gravitational force changes when gravity changes the amount of matter in something mass weight

You are about to open a container of soy milk but notice that there are instructions to “shake well before serving.” the soy milk is most likely a

Why is the use of carbon-14 limited