A wave pulse is created in a slinky. It takes 1.2 seconds to travel the length of the slinky. If the slinky is 8 meters long (1 wavelength), what is the speed of the wave?

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

Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass