An atom of calcium-48 and an atom of calcium-47 differ in a) atomic number. b) nuclear charge. c) number of neutrons. d) number of electron

If a tank filled with water contains a block and the height of the water above point a within the block is 0.8 meter, what is the pressure at point a?

You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?

How to calculate voltage drop in a series circuit