ngular position of a point on a rotating wheel is given by e = 2.80 + 4.82t² + 3.79t³, where e is in radians and tis in seconds. At t = at are (a) the point's angular position and (b) its angular velocity? (c) What is its angular velocity at t = 8.50 s? (d) Calculate its ar acceleration at t = 2.83 s. (e) Is its angular acceleration constant? rad Number Units rad/s rad/s^2 kg-m^2 N-m Number Units kg-m^2/s rad^2/s^2 Number i Units Number Units Yes No Number
ngular position of a point on a rotating wheel is given by e = 2.80 + 4.82t² + 3.79t³, where e is in radians and tis in seconds. At t = at are (a) the point's angular position and (b) its angular velocity? (c) What is its angular velocity at t = 8.50 s? (d) Calculate its ar acceleration at t = 2.83 s. (e) Is its angular acceleration constant? rad Number Units rad/s rad/s^2 kg-m^2 N-m Number Units kg-m^2/s rad^2/s^2 Number i Units Number Units Yes No Number
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#1 for A,C, & D it must be in 3rd significant digit and for B exact number no tolerance.
Transcribed Image Text:The angular position of a point on a rotating wheel is given by e = 2.80 + 4.82t2 + 3.79t°, where e is in radians and t is in seconds. At t =
0, what are (a) the point's angular position and (b) its angular velocity? (c) What is its angular velocity at t = 8.50 s? (d) Calculate its
angular acceleration at t = 2.83 s. (e) Is its angular acceleration constant?
rad
rad/s
rad/s^2
(a) Number
i
Units
kg-m^2
N-m
(b) Number
Units
kg-m^2/s
rad^2/s^2
(c) Number
i
Units
(d) Number
Units
Yes
No
(e) Number
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