A20-coil spring has a spring constant of 100 n/m.   suppose you cut this spring in half. that is, there are two 10-coil springs. find the spring constant of the 10-coil spring.

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

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

Consider the following position function. find (a) the velocity and the speed of the object and (b) the acceleration of the object. bold r left parenthesis t right parenthesisr(t)equals=left angle 6 t superscript 4 baseline comma 2 t cubed right angle6t4,2t3 for tgreater than or equals≥0