The angular acceleration of a wheel is a = 7.0t4 - 5.0t², with a in radians per second-squared and t in seconds. At time t = 0, the wheel has an angular velocity of +7 rad/s and an angular position of +1 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. t3+ i Units (b) Number i t6. t4+ t+ i Units
The angular acceleration of a wheel is a = 7.0t4 - 5.0t², with a in radians per second-squared and t in seconds. At time t = 0, the wheel has an angular velocity of +7 rad/s and an angular position of +1 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. t3+ i Units (b) Number i t6. t4+ t+ i Units
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Transcribed Image Text:The angular acceleration of a wheel is a = 7.0t4 - 5.0t², with a in radians per second-squared and t in seconds. At time t = 0, the wheel
has an angular velocity of +7 rad/s and an angular position of +1 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
t6- i
t4+
i
t+
i
Units
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