Multiple Choice
Two ships leave a harbor entrance at the same time. The first ship is traveling at a constant 19 miles per hour, while the second is traveling at a constant 23 miles per hour. If the angle between their courses is 121°, how far apart are they after 2 hours? Apply the rules regarding the use of significant digits after all computations are complete.
A) 71 mi
B) 67 mi
C) 65 mi
D) 73 mi
E) 77 mi
Correct Answer:
Verified
Correct Answer:
Verified
Q68: Find the magnitude of the vector. <img
Q69: A man is flying in a hot-air
Q70: The area of a triangle is 70
Q71: Show that the pair of vectors <img
Q72: Referring to triangle ABC, find the area
Q74: A 50-foot wire running from the top
Q75: Two planes take off at the same
Q76: The circle in the figure below has
Q77: For the pair of vectors, find <img
Q78: For the pair of vectors, find <img