Current Attempt in Progress A nucleus moving at a speed of 2.7 x 10* m/s crashes into a device that measures its kinetic energy to be 5.94 x 10-10 J. Part 1 * Your answer is incorrect. What is the mass of this nucleus? mass = 1.6296e-26 kg Save for Later Attempts: 1 of 6 used Submit Answer Using multiple attempts will impact your score. 40% score reduction after attempt 3 Part 2 * Your answer is incorrect. Protons and neutrons both have a mass of about 1.7 x 10-27 kg. How many nucleons (protons plus neutrons) does this nucleus have? number of nucleons = 21 eTextbook and Media