Is kcl and kvl applicable to ac circuit?

Jason is a body builder. despite being more fit, he weighs more than his brother ryan, who is the same height. which is a possible reason? a. jason has more muscle mass than ryan does. b. jason has more body fat than ryan does. c. jason has more muscle mass and body fat than ryan does d. jason has less body fat than ryan does.

If the speed of a particle triples ,by what factor does its kinetic energy increase?

What is created when solids,liquids,an gases mix with one another