An unnamed spacecraft leaves for venus. which statements about the spacecrafts journey are true? a)the weight of the spacecraft keeps changing b)the mass of the spacecraft keeps changing c)the weight of the spacecraft remains the same d)the mass of the spacecraft remains the same e)the gravitational pull on the spacecraft remains the same

An electron is ejected into a horizontal uniform e⃗ field at a parallel horizontal velocity of v0. assume the electron's initial position x0, initial velocity v0, time t, magnitude of electric field e, electron's mass m, and the magnitude of the electron's charge |e|. ignore the force that earth exerts on the electron. assume the e⃗ field is in the same direction as the initial velocity. part a define the equation for the electron's velocity. express your answer in terms of the variables v0, |e|, t, e, and m.