Which radioisotope is used in medicine to treat thyroid disorders?
(1) cobalt-60 (3) phosphorus-32
(2) iodine-131 (4) uranium-238

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

Right anwser gets marked brainliest newton's discovery concerning how fast an object will change speed is the: 1st law 2nd law 3rd law universal gravitation

If two objects at different te,peraure are in contact with each other what happens to their temperature