What is the velocity of a car that traveled a total of 75km north in 1hr. what does it look like solving?

Two large, flat, horizontally oriented plates are parallel to each other, a distance d apart. half way betwween the two plates the electric field has magnitude e. if the separation of the plates is reduced to d/2 what is the magnitude of the electric field half way between the plates?

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?

If a substance is in the gas phase, which of qualities of the gas will stay constant? a: volume b: mass c: shape d: position of particles