HEY CAN ANYONE PLS ANSWER DIS

What is relative velocity? in which condition is relative velocity known by adding the velocity of the first body and that of the second body

Describe uniform velocity and variable velocity in short

How does the kinetic energy of a charge change as the charge moves under the effect of an electric field from higher potential to lower potential? a. the kinetic energy increases. b.the kinetic energy decreases. c.the kinetic energy remains the same. d.the kinetic energy is always zero.