The drill bit of a variable-speed electric drill has a


The drill bit of a variable-speed electric drill has a constant angular acceleration of 3.15 rad/s2. The initial angular speed of the bit is 5.95 rad/s. After 5.31 s,

(a) what angle has the bit turned through and

(b) what is the bit's angular speed?

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Physics: The drill bit of a variable-speed electric drill has a
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