Magnetic field lines begin at the _?_ pole of a magnet and end at the _?_ pole

What is the magnitude of the acceleration vector which causes a particle to move from velocity −5i−2j m/s to −6i+ 7j m/s in 8 seconds. answer in m/s.

Why is it important always to use horizontal bars in unit fractions when performing unit conversions?

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.