A wheel has angular acceleration of 3 rad/sec² and an initial angular speed of 2 rad/sec. In a time of 2sec it has rotated through an angle of (in radians)?

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Answer 1 · 2018-01-13T10:29:01

The angle is #=10rad#

The angular acceleration is #alpha=3rads^-2#

The initial angular speed is #omega_0=2rads^-1#

The time is #t=2s#

Apply the equation

#theta=omega_0t+1/2alphat^2#

The angle is

#theta=2*2+1/2*3*2^2#

#=4+6#

#=10rad#