What is a magnet? (this is an actual question on my sister's test)

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

Hydrogen and helium are both members of?

Discuss how the hardness or softness of the landing surface is related to the time required to stop the egg