An electron is acted upon by a force of 3.00×10−15 NN due to an electric field. Find the acceleration this force produces in each case: A) The electron's speed is 4.00 km/skm/s. Express your answer in meters per second squared.   B) The electron's speed is 2.80×108 m/sm/s and the force is parallel to the velocity. Express your answer in meters per second squared.

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