The hammer throw athlete in Figure Q12 is initially at rest and starts revolving about his/her body axis with an angular acceleration 1.5 rad-s-2 until he/she eventually releases the ball of mass m = 7.47 kg at the end of 5 revolutions. Determine the centripetal force (pull) that the athelete applies at the instant of release if the wire has length R = 0.81 m. Ignore gravitational forces. Provide only the numerical value (in Newtons) to zero decimal places and do not include the units in the answer box. R m

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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QUESTION 12
The hammer throw athlete in Figure Q12 is initially at rest and starts revolving about his/her body axis
with an angular acceleration 1.5 rad-s-2 until he/she eventually releases the ball of mass m = 7.47 kg at
the end of 5 revolutions. Determine the centripetal force (pull) that the athelete applies at the instant of
release if the wire has length R = 0.81 m. Ignore gravitational forces. Provide only the numerical value
(in Newtons) to zero decimal places and do not include the units in the answer box.
Figure Q12: Hammer throw
R
m
Transcribed Image Text:QUESTION 12 The hammer throw athlete in Figure Q12 is initially at rest and starts revolving about his/her body axis with an angular acceleration 1.5 rad-s-2 until he/she eventually releases the ball of mass m = 7.47 kg at the end of 5 revolutions. Determine the centripetal force (pull) that the athelete applies at the instant of release if the wire has length R = 0.81 m. Ignore gravitational forces. Provide only the numerical value (in Newtons) to zero decimal places and do not include the units in the answer box. Figure Q12: Hammer throw R m
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