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The angular displacement of an object over time is given by the equation θ(t) = cos(0.350t) rad.
(a) What is the object's angular velocity at time t = 2.40 seconds?
(b) What is its angular acceleration at this time? The answers are NOT a: .26 rad/s or b: .018 rad/s^2.
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The drawing shows the potential at five points on a set of axes. find the magnitude of the electric field in the vicinity of the origin
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