The chart shows data for four different moving objects. which shows the order of the objects' kinetic energies, from least to greatest? object velocity (m/s) w mass (kg) 10 18 14 30 w, y, x, z z, x, y, w w, y, z, x x. z. y. w 30

30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve

Select all the correct answers. which three statements about electromagnetic radiation are true?

If a hiker that weighs 600 newtons climbs a 50 meter hill, how much gravitational potential energy has the hiker gained?