The Position S of a Point (In Feet)is Given as a Function

question 64

Multiple Choice

The position s of a point (in feet) is given as a function of time (in seconds) . a. Find its acceleration as a function of . b. Find its acceleration at the specified time.

• A)a ( t )= 20 ft/sec², a ( t = 2)= 20 ft/sec²
• B)a ( t )= -20 ft/sec², a ( t = 2)= -20 ft/sec²
• C)a ( t )= 24 ft/sec², a ( t = 2)= -24 ft/sec²
• D)a ( t )= -2 ft/sec², a ( t = 2)= 2 ft/sec²
• E)a ( t )= 5 ft/sec², a ( t = 2)= 5 ft/sec²