7-33. During a certain interval of time, a line with a constant angular accelera- tion has an angular displacement of 45 rad counterclockwise and turns through a total angle of 53 rad. At the beginning of the time interval the angular velocity is 4 rad per sec clockwise. Determine (a) the angular velocity of the line at the end of the time interval; (b) the angular acceleration during the time interval.

Question
7-33. During a certain interval of time, a line with a constant angular accelera-
tion has an angular displacement of 45 rad counterclockwise and turns through
a total angle of 53 rad. At the beginning of the time interval the angular
velocity is 4 rad per sec clockwise. Determine (a) the angular velocity of the
line at the end of the time interval; (b) the angular acceleration during the
time interval.
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Transcribed Image Text

7-33. During a certain interval of time, a line with a constant angular accelera- tion has an angular displacement of 45 rad counterclockwise and turns through a total angle of 53 rad. At the beginning of the time interval the angular velocity is 4 rad per sec clockwise. Determine (a) the angular velocity of the line at the end of the time interval; (b) the angular acceleration during the time interval.