Explain test that would be made to find and whether such a barometer
has any gas in space above the mercury​

What’s #16 asking and how do i solve it?

In order to do work, the force vector must be question 1 options: in a different direction than the acceleration vector. in a different direction than the displacement vector. in the same direction as the displacement vector and the motion. in the same direction as the acceleration vector.

Acoil suspended freely, points in some direction when no current is passed through it . can you tell what will happen when a current is passed though it?