Author Question: What is the cosine of 55? A) 0.6 B) 0.57 C) 0.574 D) 0.5736 E) ... (Read 83 times)

urbanoutfitters · **on:** Jul 27, 2018

What is the cosine of 55?

A) 0.6
B) 0.57
C) 0.574
D) 0.5736
E) 0.57360

Question 2

A mountain climber of mass 60. kg slips and falls a distance of 4.0 m, at which time he reaches the end of his elastic safety rope. The rope then stretches an additional 2.0 m before the climber comes to rest.

What is the spring constant of the rope, assuming it obeys Hooke's law?