A Roller Coaster of Mass 80

question 55

Essay

A roller coaster of mass 80.0 kg is moving with a speed of 20.0 m/s at position A as shown in the figure. The vertical height above ground level at position A is 200 m. Neglect friction. (a) What is the total mechanical energy of the roller coaster at point A?
(b) What is the total mechanical energy of the roller coaster at point B?
(c) What is the speed of the roller coaster at point B?
(d) What is the speed of the roller coaster at point C?

Appreciate the significance of research methods, such as introspection and applied research, in the development of psychological principles.

Understand the interdisciplinary nature of psychology and the integrative approaches to studying complex behaviors.

Understand the emphasis and values of organizational development (OD), including its focus on individual, interpersonal, and group processes.

Recognize the roots and knowledge base of OD, particularly its foundation in behavioral and social sciences.