A bag is thrown vertically upwards, it takes 1.52 s to reach the highest point. With what initial speed was the bag thrown?

Find the momentum for a 2.6-kg brick parachuting straight downward at a constant speed of 8.4 m/s .

A2-kg bowling ball is 2.5 meters off the ground on a post when it falls. just before it reaches the ground, it is traveling 7 m/s. assuming that there is no air resistance, which statement is true?

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