The angular acceleration of a wheel is a = 8.0t4 - 4.0t², with a in radians per second-squared and t in seconds. At time t = 0, the wheel has an angular velocity of +4 rad/s and an angular position of +6 rad. Write expressions for (a) the angular velocity (rad/s) and (b) the angular position (rad) as functions of time (s). (a) Number i t5. i t³+ i Units (b) Number i tó t4+ i t+ i Units

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Chapter1: Units, Trigonometry. And Vectors
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The angular acceleration of a wheel is a = 8.0t4 - 4.0t², with a in radians per second-squared and t in seconds. At time t = 0, the wheel
has an angular velocity of +4 rad/s and an angular position of +6 rad. Write expressions for (a) the angular velocity (rad/s) and (b) the
angular position (rad) as functions of time (s).
(a) Numberi
t5- i
t³+ i
Units
(b) Number i
tó i
+4+ i
t+
i
Units
Transcribed Image Text:The angular acceleration of a wheel is a = 8.0t4 - 4.0t², with a in radians per second-squared and t in seconds. At time t = 0, the wheel has an angular velocity of +4 rad/s and an angular position of +6 rad. Write expressions for (a) the angular velocity (rad/s) and (b) the angular position (rad) as functions of time (s). (a) Numberi t5- i t³+ i Units (b) Number i tó i +4+ i t+ i Units
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