Multiple Choice
An airplane undergoes the following displacements, all at the same altitude: First, it flies in a direction 30.0° east of north. Next, it flies due south. Finally, it flies 30.0° north of west. Use components to determine how far the airplane ends up from its starting point.
A) 71.5 km
B) 73.0 km
C) 74.4 km
D) 70.1 km
E) 68.7 km
Correct Answer:

Verified
Correct Answer:
Verified
Q3: For general projectile motion with no air
Q20: An airplane with an airspeed of 120
Q26: A disk-shaped space station 125 m in
Q36: You are trying to cross a river
Q47: An athlete participates in an interplanetary discus
Q91: Vector <span class="ql-formula" data-value="\overrightarrow {
Q94: Vectors <span class="ql-formula" data-value="\overrightarrow {
Q99: A projectile is fired from ground level
Q105: Sarah drives at a constant speed of
Q116: The x and y components of a