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? (a) Number Units Exact number, no tolerance. rad rad/s rad/s^2 kg-m^2 N-m kg-m^2/s rad^2/s^2 (b) Number Units (c) Number i Units (d) Number Units (e) Number Yes No
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? (a) Number Units Exact number, no tolerance. rad rad/s rad/s^2 kg-m^2 N-m kg-m^2/s rad^2/s^2 (b) Number Units (c) Number i Units (d) Number Units (e) Number Yes No
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(1) for A, C & D 3RD SIGNIICANCE BUT FOR B, EXACT NO TOLERANCE. ANSWER ALSO E PLS
Transcribed Image Text:The angular position of a point on a rotating wheel is given by e = 2.80 + 4.82t2 + 3.79t³, 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?
(a) Number
Units
Exact number, no tolerance.
rad
rad/s
(b) Number
i
Units
rad/s^2
kg-m^2
N-m
kg-m^2/s
rad^2/s^2
(c) Number
i
Units
(d) Number
i
Units
(e) Number
Yes
No
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