What equation correctly defines hooke's law

a. f spring = k^t [middle is trangle]
b. f spring = k^x [ again middle is trangle]
c. f spring = mg
d. f spring = kg

what's the

plasma is the state of matter where the substance is ionized and has no definite shape or volume. the fact of being ionized makes the substance a good electrical conductor.

water at room temperature is flowing through a pipe with pressure taps located 10 ft apart along one section of the pipe, which are connected to a mercury (s=13.6) manometer.

idk what is it? is this a question that you know the answer or u dont