Question

as speed of a particle increases, rest mass​

Answer 1

Answer:

remains the same

Explanation:

as speed of a particle increase,rest mass

Answer 2

Since mass doesn't change, when the kinetic energy of an object changes, its speed must be changing. deals with faster-moving objects. The faster an object moves, the more necessary it is to use this theory in order to be accurate. As an object moves faster, its mass increases.