The plate of a parallel capacitor is 5mm apart and 2m^2 in area, the plates are in vaccum in a potential difference of 10,000 volts is applied across the capacitor compute (a) the capacitance (b) the charge on each plate (c) the surface idensity of charge (d) electric intensity between the plate ​

Suppose you increase your walking speed from 7 m/s to 13 m/s in a period of 2 s. what is your acceleration?

Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.

Aball of mass 0.3kg is released from rest at a height of 8m.how fast is it going when it hits the ground? accleration due to gravity is g=9.8m/s