A charge of 31 micro-C is placed on the y axis at y = 8 cm and a 55 micro-C charge is placed on the x axis at x = 3 cm. If both charges are held fixed, what is the magnitude of the initial acceleration of an electron released from rest at the origin? Write your answer in terms of 10^18 m/s2.

Use the ratio form of kepler’s third law, = , and the data provided to determine the time it takes mars to orbit the sun. round your answer to the nearest tenth. earth’s orbital period = 1.0 earth year earth’s distance from the sun = 1.0 au mars’s distance from the sun = 1.5 au it takes mars about ⇒ 1.8 earth years to orbit the sun.