How far can a mother push a 20.0 kg baby carriage, using a force of 62 n, if she can only do 2920 j of work? (round to include the appropriate answer with only one number after the decimal like 2.1 or 2.0) do not include units but know that distance is in meters.

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

The bar of prob. 5/82 is repeated here. the ends of the 0.4-m bar remain in contact with their re- spective support surfaces. end b has a velocity of 0.5 m/s and an acceleration of 0.3 m/s2 in the di- rections shown. determine the angular accelera- tion of the bar and the acceleration of end a.

Which of the following is not a transverse wave? a) soundb) lightc) radiod) all of thesee) none of these