The hammer throw event in track and field involves spinning a heavy ball attached to a strong wire in a circle, then releasing it at just the right moment in the throw, and at the right angle, to maximize its trajectory away from the starting point. If the hammer thrower shown below is spinning at an angular rate of 3.31 revolutions per second, and the ball is 1.14 m from the center axis of the spin, what is the tangential velocity of ball?

nec chapter 5 contains

c. information on special occupancy areas

nec chapter 6 covers

a. special equipment

which of the following rules contain the words shall or shall not and must be adhered to?

b. mandatory rules

which of the following rules identify actions that are allowed but not required and typically cover options or alternative methods?

c. optional rules

which of the following serves as the introduction to the nec and provides an overview of the book?

a. nec article 90

organizations that test products for safety are

c. nrtls

the nec is published by the

a national fire protection association

the nec is divided into

b. 9 chapters

the nec provides informative annexes for

c. informational materials and examples

two terms from nec article 100 that trainees should become familiar with are

b. labeled and listed

explanation: