Freud was an influential and controversial psychologist who believed that psychology should study the unconscious mind. describe the two books freud published in the early 1900s.

Explanation:

Sigismund Schlomo Freud is referred as father of Psychoanalysis. He gave many theories on unconscious state of mind. He wrote many books in his life time.

Two of his books that were published in early 1900s are :

1: The interpretation of dream - it is one of the most known book of Freud in which he described dreams as a representation or symbol of unconscious hopes and wishes disguised by symbolism.

2: Psychopathology of Everyday life - This books becomes a scientific symbol and deals with generic symptoms of daily life like things that happen to us, slip of tongue, fumble and switching of words. It is served as guide to Semantics and philosophy.

think about the oscillation of the toy shown in the video. when the toy is at the highest point of its motion, its velocity is zero and its acceleration is negative.

the answer is 3.1 his answer is wrong mines is right