Asecond's pendulum is taken to the moon. what will be the time period of the pendulum at the moon? (acceleration due to gravity at the surface of the moon is 1/6 on the surface of earth).

Diamond will scratch quartz. true or false

What is the measure of a change in an objects velocity?

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.