In a vacuum, which has a greater acceleration while in free fall: a7 kg bowling ball or a 0.007 kg feather?

Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies.

What are the factors that affect the resistance of a wire?

Examine the equation. 23490th→23088ra+42he what kind of barrier would you need to block the radioactive particles from this reaction? a. a piece of paper b. a sheet of aluminum foil c. a two-inch block of lead d. a solid concrete block