A drop of water has a volume of about 0.05 mL. How many molecules of water are in a drop of water?

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.

If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied