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A disk rotates at constant angular acceleration, from angularposition u1  10.0 rad to angular position u2  70.0 rad in 6.00 s. Itsangular velocity at u2 is 15.0 rad/s. (a) What was its angular velocityat u1? (b) What is the angular acceleration? (c) At what angular positionwas the disk initially at rest? (d) Graph u versus time t and angularspeed v versus t for the disk, from the beginning of the motion(let t  0 then).

Kevin Nash , 11 Years ago
Grade upto college level
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