Alan rents a private jet for the weekend. he flies 400 km south to new york, then flies 700 km west to chicago, then 1200 km to south miami. what distance did he cover ? and what was his displacement

Apositive rod is placed to the left of sphere a, and the spheres are separated. which best describes the spheres? sphere a is negative and sphere b is positive because protons from sphere a are attracted to the rod and move to sphere b. sphere a is negative and sphere b is positive because electrons from sphere b are attracted to the rod and move to sphere a. sphere a is positive and sphere b is negative because electrons from the rod move to sphere b and protons then move to sphere a. sphere a is positive and sphere b is negative because protons move from sphere b to the rod and also to sphere a.

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k

How to calculate voltage drop in a series circuit