I dropped the ball from the roof of a building the speed when I hit the ground is 52 m/s how tall is the building

Astudent is working in the lab to determine how time affect impulse the student keeps the force the same in each row but changes impact the time some data is shown witch trial has the greatest a student is working in the lab to determine how time affect impulse the student keeps the fours the same in each row but change is the impact time some data shown witch trial has the greatest impulse

The radius of an atom is closest in size to a

In which type of system is power held solely by the central government and not shared with regional governments? group of answer choices federal unitary confederate oligarchic