Someone help me with this I’ll give brainliest!!

Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?

Lightning is an example of what phenomenon? a release of a large amount of energyan absorption of a large amount of energya natural electric circuita natural electric current

Is there a point between a 10 nc charge and a 20 nc charge at which the electric field is zero?