Author Question: Celestial latitude is referred to as a) right ascension. b) declination. c) the hour angle. d) ... (Read 31 times)

mckennatimberlake · **on:** Jul 28, 2018

Celestial latitude is referred to as
a) right ascension.
b) declination.
c) the hour angle.
d) magnitude.

Question 2

As a 1.0-kg object moves from point A to point B, it is acted upon by a single conservative force which does 40 J of work during this motion. At point A the speed of the particle is 6.0 m/s and the potential energy associated with the force is +50 J. What is the potential energy at point B?
a. +72 J
b. +10 J
c. +90 J
d. +28 J
e. +68 J