Point A of the circular disk is at the angular position θ = 0 at time

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Point A of the circular disk is at the angular position θ = 0 at time t = 0. The disk has angular velocity ω0 = 0.21 rad/s at t = 0 and subsequently experiences a constant angular acceleration α = 2.3 rad/s2. Determine the velocity and acceleration of point A in terms of fixed i and j unit vectors at time t = 1.1 s. Answers: vA = ( i + j) m/s aA = ( i + j) m/s2

Point A of the circular disk is at the angular position θ = 0 at time t = 0. The disk has angular velocity ω0 = 0.21 rad/s at t = 0 and subsequently experiences a constant angular acceleration α = 2.3 rad/s2. Determine the velocity and acceleration of point A in terms of fixed i and j unit vectors at time t = 1.1 s. Answers: vA = ( i + j) m/s aA = ( i + j) m/s2

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Point

A

of the circular disk is at the angular position

θ = 0

at time

t = 0

. The disk has angular velocity

ω_{0} = 0.21 r a d / s

at

t = 0

and subsequently experiences a constant angular acceleration

α = 2.3 r a d / s^{2}

. Determine the velocity and acceleration of point

A

in terms of fixed

i

and

j

unit vectors at time

t = 1.1 s

.

Answers:

\begin{array}{l} v_{A} = (i + i ◻ m / s \\ a_{A} = (◻ i + ◻ m / s^{2} \end{array}

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