The angular displacement, radians, of the spoke of a wheel is given by the expression =...

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The angular displacement, radians, of the spoke of a wheel is given by the expression = 0.8t¹ = t³, where t is the time in seconds. a) The angular velocity after 5 seconds (w5). W5 b) The angular acceleration (a4) after 4 seconds α4= rad/sec rad/sec² The angular displacement, radians, of the spoke of a wheel is given by the expression = 0.8t¹ = t³, where t is the time in seconds. a) The angular velocity after 5 seconds (w5). W5 b) The angular acceleration (a4) after 4 seconds α4= rad/sec rad/sec²