[Solved] A brass ball is shot vertically upward from the surface of an atmosphere-free planet with an initial speed of 20.0 m/s. One second later, the ball has an instantaneous velocity in the upward direction of 15.0 m/s. -Determine the velocity of the ball when it returns to its original position. Note: assume the upward direction is positive. A)+20 m/s B)-20 m/s C)+40 m/s D)-40 m/s E)zero m/s Phallic Complex: An idea in Freudian psychoanalysis referring to a stage in a child's development where there is a focus on genital organs, leading to unconscious sexual desires towards the opposite sex parent. Erotically Tinged: Describing something that has sexual connotations or stimuli that evoke erotic feelings. Defence Mechanism: Psychological strategies brought into play by the unconscious mind to manipulate, deny, or distort reality in order to defend against feelings of anxiety and unacceptable impulses and to maintain one's self-schema. Identification: The process of associating oneself with certain aspects of another person, group, or with certain characteristics.