Two situations involving kinetic energy

This is chinese will mark brainliest what does hǎo bù hǎo mean? it is used to ask a question, good/not good? it is used when you are indecisive about something. it is used to say that something is both good and not good at the same time. it is incorrect and means nothing.

Iwant to cancel my subscription to how do i do it?

What's jordan? is jordan a nice country?