The direction of the vertical velocity vector of an upwardly launched projectile . A. changes from up to down b. always points down
c. always points up
d. is a parabola

Apair of 10μf capacitors in a high-power laser are charged to 1.7 kv.a. what charge is stored in each capacitor? b. how much energy is stored in each capacitor?

During cooling, the kinetic energy of the molecules falls. why does this happen? a.the motion of the molecules increases. b. the motion of the molecules slows down. c.the van der waals forces between molecules decrease d. the forces of attraction between the molecules are overcome.

How long will it take a car traveling of a constant speed of 45m/s to cover the distance of a 2.5km?