Initially a wheel rotating about a fixed axis at a constant angular deceleration of 0.7 rad/s 2 has an angular velocity of 0 rad/s and an angular position of 8.8 rad. What is the angular position of the wheel after 2.7 s? Answer in units of rad.

Question

Sloane Robbins

Physics

18 April, 06:18

Initially a wheel rotating about a fixed axis at a constant angular deceleration of 0.7 rad/s 2 has an angular velocity of 0 rad/s and an angular position of 8.8 rad. What is the angular position of the wheel after 2.7 s? Answer in units of rad.

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Answers (1)

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Tessa Malone · Answer 1

The angular position of the wheel after 2.7 seconds is θf = 11.35 rad.

Explanation:

θi = 8.8 rad

ωi = 0 rad/seg

α = 0.7 rad/seg²

θf = θi + ωi * t + α * t² / 2

θf = 11.35 rad