In electrically neutral atom the number of protons in the nucleus is equal to the number of?

What is the magnitude of the resultant vector round your answer to the nearest tenth

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

Explain earth's motion, using the terms "precession" and "rotation" in your answer.