At time t= 0s, a wheel has an angular displacement of zero radians and an angular velocity of +15 rad/s. The wheel has a constant acceleration of -0.48 rad/s?. In this situation, the time at which the angular displacement is +78 rad and decreasing is closest to O A. 5 s O B. 57 s OC. 31 s O D.6s O E. 67 s

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Chapter1: Units, Trigonometry. And Vectors
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At time t= 0s, a wheel has an angular displacement of zero radians and an angular velocity of +15 rad/s. The wheel has a constant acceleration of -0.48 rad/s?. In this situation, the time at which the angular displacement is +78 rad and decreasing is closest to O A. 5 s O B. 57 s OC. 31 s O D.6s O E. 67 s

At time \( t = 0 \) s, a wheel has an angular displacement of zero radians and an angular velocity of \(-15 \, \text{rad/s}\). The wheel has a constant acceleration of \(-0.48 \, \text{rad/s}^2\). In this situation, the time at which the angular displacement is \(-78 \, \text{rad}\) and decreasing is closest to:
- A. 8 s
- B. 57 s
- C. 113 s
- D. 8 s
- E. 67 s
Transcribed Image Text:At time \( t = 0 \) s, a wheel has an angular displacement of zero radians and an angular velocity of \(-15 \, \text{rad/s}\). The wheel has a constant acceleration of \(-0.48 \, \text{rad/s}^2\). In this situation, the time at which the angular displacement is \(-78 \, \text{rad}\) and decreasing is closest to: - A. 8 s - B. 57 s - C. 113 s - D. 8 s - E. 67 s
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