Question
A discus thrower (arm length 0.9 m) starts from rest and begins to rotate counterclockwise with...
A discus thrower (arm length 0.9 m) starts from rest and begins to rotate counterclockwise with a constant angular acceleration of +2.7 rad/s2.
(a) How many radians of angle does it take for the discus
thrower's angular velocity to reach +7.0 rad/s?
rads
(b) How long does this take?
seconds
At this time (from part b), please find the following
quantities:
(c) the linear speed of the discus:
m/s
(d) the size of the discus's tangential
acceleration:
m/s2
the size of the discus's centripetal
acceleration:
m/s2
the size of the discus's total acceleration:
m/s2
the angle that the total acceleration makes with the velocity
vector is:
degrees
Homework Answers
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