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 5.21 rad/s2. The initial angular speed of the bit is 5.12 rad/s. After 4.57 s,
(a) what angle has the bit turned through and
(b) what is the bit's angular speed?
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the drill bit of a variable-speed electric drill has a constant angular acceleration of 521 rads2 the initial angular
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