Please indicate how long each bar is in centimeters and millimeters.

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

What are two different ways you could find the value of a? explain these methods.

Which two particles are found in the center of an atom