A book with a mass of 1.8 kg sits on a bookshelf. If it has a gravitational potential energy of 42 J, how high is the shelf? The acceleration of gravity is
9.8 m/s2
O A. 2.1 m
OB. 1.6 m
O C. 0.9 m
OD. 2.4 m

Apackage of supplies is dropped from a plane, and one second later a second package is dropped. neglecting air resistance, the relative velocity of the 1st package viewed from the second will 56) a) increase. b) be constant. c) be zero. d) depend upon their weight. e) decrease

You are given two vectors a⃗ =−3.00ι^ 5.00j^ and b⃗ =5.00ι^ 2.00j^. let the counterclockwise angles be positive.

Iupil u5l aluve time remaining 01: 53: 45 ei and both agreed that childhood experiences play an important role in the development of oneself a sigmund freud alfred adler b. carl jung alfred adler c.carl jung erik erikson d. sigmund freud.. carl jung select the best answer from the choices provided save and exit next submit mark this and return