An unmanned 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 gravotational pull on the spacecraft remains the same hint: there is more than one answer
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Abar magnet cut in half will form a total ofpoles. a)fourb)eightc)two
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During cooling, the kinetic energy of the molecules falls. why does this happen? a. the motion of the molecules increases. b. the motion of the molecules slows down. c. the van der waals forces between molecules decrease d. the forces of attraction between the molecules are overcome.
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An unmanned spacecraft leaves for venus. which statements about the spacecrafts journey are true? a...
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