A 1.2-kg mass is projected up a rough circular track (radius = 0.80 m) as shown.The speed of the mass at point A is 8.4 m/s,and at point B,it is 5.6 m/s.What is the change in mechanical energy between A and B caused by the force of friction? 
Definitions:
Romantic Relationship
A partnership between two individuals characterized by emotional and often sexual intimacy.
Economic Status
A measure of a person's or a family's financial and social position relative to others, based on income, education, and occupation.
Common Interests
Shared hobbies, activities, or beliefs that bring people together or help in forming bonds.
Drinking
The act of consuming liquids, often contextually referred to the consumption of alcoholic beverages.
Q7: A split highway has a number of
Q8: A truck moving at 36 m/s passes
Q16: Superposition of waves can occur<br>A)in transverse waves.<br>B)in
Q19: Anthony has added the vectors listed
Q27: A 4.0-kg block is pushed up
Q40: A 500-g firework explodes into two
Q45: A space station in the form of
Q52: The initial speed of a cannon ball
Q63: A 5.0-kg object is suspended by a
Q81: A body moving along the x axis