As you sit in front of a computer, which of the following is exerting the greatest gravitational force of attraction on you? a. earth b. your classmate across the room that you've had your eye on c. your computer d. your chair

The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e

An element becomes a positively charged ion when itloses protons.loses electrons.gains electrons.gains neutrons.

What is part of a line has one endpoint and continues in one direction?