Use the work–energy theorem to solve each of these problems
a skier moving at 5.99 m/s encounters a long, rough, horizontal patch of snow having a coefficient of kinetic friction of 0.220 with her skis.
a. how far does she travel on this patch before stopping?
b. suppose the rough patch in part a was only 2.85 m long. how fast would the skier be moving when she reached the end of the patch?
c. at the base of a frictionless icy hill that rises at 25.0∘ above the horizontal, a toboggan has a speed of 12.3 m/s toward the hill. how high vertically above the base will it go before stopping?

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: