A-2 A solid disk of radius 15.0cm starts at rest and reaches a final angular speed of 1,200rev/min clockwise after turning thru a total of 80.0 revolutions. rotation a) Find the (constant) angular acceleration of the disk in units of radians and seconds. b) Find the final linear speed in m/s of point P on the rim of the disk. c) Find the magnitude of the tangential acceleration of point P on the rim of the disk. point P R=15.0cm d) Find the magnitude of the radial acceleration of point P on the rim of the disk. e) Sketch on your paper a figure like the one to the right and show arrows that represents atan and arad at point P.
A-2 A solid disk of radius 15.0cm starts at rest and reaches a final angular speed of 1,200rev/min clockwise after turning thru a total of 80.0 revolutions. rotation a) Find the (constant) angular acceleration of the disk in units of radians and seconds. b) Find the final linear speed in m/s of point P on the rim of the disk. c) Find the magnitude of the tangential acceleration of point P on the rim of the disk. point P R=15.0cm d) Find the magnitude of the radial acceleration of point P on the rim of the disk. e) Sketch on your paper a figure like the one to the right and show arrows that represents atan and arad at point P.
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Transcribed Image Text:LAA-2 A solid disk of radius 15.0cm starts at rest and reaches a final angular speed of 1,200rev/min
clockwise after turning thru a total of 80.0 revolutions.
rotation
a) Find the (constant) angular acceleration of the disk in
units of radians and seconds.
b) Find the final linear speed in m/s of point P on the rim of the disk.
c) Find the magnitude of the tangential acceleration of point P on
the rim of the disk.
point P
R=15.0cm
d) Find the magnitude of the radial acceleration of point P on the
rim of the disk.
e) Sketch on your paper a figure like the one to the right and show
arrows that represents atan and arad at point P.
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