The Position of an Object as a Function of Time

question 1

Multiple Choice

The position of an object as a function of time is given by x = bt² - ct,where b = 2.0 m/s² and c = 6.7 m/s and x and t are in SI units.What is the instantaneous velocity of the object when t = 2.2?

• A) 1.7 m/s
• B) 2.1 m/s
• C) 2.3 m/s
• D) 2.7 m/s

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Definitions:

Glucose Entry

The process by which glucose is transported into cells to be used as energy or stored as glycogen.

Stored Fat

body fat accumulated and preserved in the human body as a source of energy for future use.

Appetite

The natural desire to satisfy a bodily need, especially for food.

Insulin

A chemical produced in the pancreas that assists in regulating sugar levels in the blood by promoting glucose intake by tissues.