A wheel 1.75 m in diameter lies in a vertical plane and rotates about its central axis with a constant angular acceleration of 3.95 rad/s?. The wheel starts at rest at t= 0, and the radius vector of a certain point P on the rim makes an angle of 57.3° with the horizontal at this time. At t = 2.00 s, find the following. (a) the angular speed of the wheel rad/s 7.9 (b) the tangential speed of the point P 6.9125 v m/s (c) the total acceleration of the point P 82.64 magnitude Your response differs from the correct answer by more than 10%. Double check your calculations. m/s? 2.40 direction Your response differs from the correct answer by more than 10%. Double check your calculations. with respect to the radius to point P (d) the angular position of the point P 4.5 Your response differs from the correct answer by more than 10%. Double check your calculations. rad

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Need help on parts c and d. 

A wheel 1.75 m in diameter lies in a vertical plane and rotates about its central axis with a constant angular acceleration of 3.95 rad/s?. The wheel starts at rest at t= 0, and the radius vector of a certain point P on the rim makes an angle of 57.3° with
the horizontal at this time. At t = 2.00 s, find the following.
(a) the angular speed of the wheel
rad/s
7.9
(b) the tangential speed of the point P
6.9125
v m/s
(c) the total acceleration of the point P
82.64
magnitude
Your response differs from the correct answer by more than 10%. Double check your calculations. m/s?
2.40
direction
Your response differs from the correct answer by more than 10%. Double check your calculations. with respect to the radius to point P
(d) the angular position of the point P
4.5
Your response differs from the correct answer by more than 10%. Double check your calculations. rad
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Transcribed Image Text

A wheel 1.75 m in diameter lies in a vertical plane and rotates about its central axis with a constant angular acceleration of 3.95 rad/s?. The wheel starts at rest at t= 0, and the radius vector of a certain point P on the rim makes an angle of 57.3° with the horizontal at this time. At t = 2.00 s, find the following. (a) the angular speed of the wheel rad/s 7.9 (b) the tangential speed of the point P 6.9125 v m/s (c) the total acceleration of the point P 82.64 magnitude Your response differs from the correct answer by more than 10%. Double check your calculations. m/s? 2.40 direction Your response differs from the correct answer by more than 10%. Double check your calculations. with respect to the radius to point P (d) the angular position of the point P 4.5 Your response differs from the correct answer by more than 10%. Double check your calculations. rad

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