A baseball catcher extends his arm straight up to catch a fastball with a speed of 45 m/s. The baseball is 0.145 kg and thecatcher’s arm length is 0.65 m and mass 4.5 kg. (Indicate thedirection with the signs of your answers.)
(a)
What is the angular velocity (in rad/s) of the arm immediatelyafter catching the ball as measured from the arm socket? (Assumehis arm rotates counterclockwise after catching the ball.)
rad/s
(b)
What is the torque applied (in N · m) if the catcher stops therotation of his arm 0.6 s after catching the ball?
N · m
Expert Answer
An answer will be
OR
PayPal Gateway not configured
OR
PayPal Gateway not configured