For the multiple-choice problems, please select the correct answer to each question. For the upload questions, please show your clearly with appropriate equations and units as usual and then upload. This is a timed exam, and you have 2 hours 15 min to complete the entire exam. You may take it twice and the highest score will be kept. Keep track of the time to be sure you are not timed out. You will not be able to submit your work if you are timed out so, please pay attention to the time. Click "take quiz" button to begin and click "submit" when done. Good luck Constants: k = 9 x 109 Nm2/C2, e= -1.6x 10-19 C speed of light in air/vacuum = 3.00 x 10 8 m/s, nc = 10-9C 2 points How fast must a 56 kg object be moving to have the same linear momentum as a 1500 kg car going at 25 m/s