Question 14 (3 points) An electron and a proton are (7.6x10*-18) m apart. Calculate the gravitational attraction between them. Note: the mass of an electron and a proton can be found on your formula sheet. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer units D Add attachments to support your work Question 15 (5 points) Asteroid A is located (8.2x10*10) m horizontally from asteroid B and (8.20x10*10) m vertically from asteroid C. Asteroids A, B, and C have masses of 2.1 x 1015 kg, 1.4 x 1018 kg and 9.6 * 101/ kg respectively. Determine the net force of asteroids B and C on asteroid A. Assume all asteroids are spherical. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer units D Add attachments to support your work Question 16 (3 points) Material has been observed in a circular orbit around a black hole some five thousand light-years away from Earth. Spectroscopic analysis of the material indicates that it is orbiting with a speed of (3.8x10^7) m/s. If the radius of orbit is (7.600x10*7) m, determine the mass of the black hole. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer unitsQuestion 13 (3 points) A character in the movie from question 12 later says that the moon has a diameter of (1.9x10*3) km. Determine an approximate mass of the moon. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer units D Add attachments to support your work