Interactive practice questions
A plane is flying north at $480$480 km/h. A wind is blowing east at $140$140 km/h.
a
Find the magnitude of the resultant velocity, $v$v.
b
If the plane was travelling twice as fast, which of the following would be true?
The resultant velocity would be doubled.
A
The resultant velocity would be more than doubled.
B
The resultant velocity would be less than doubled.
C
c
If the plane was travelling twice as fast and the wind was blowing twice as hard, which of the following would be true?
The resultant velocity would be less than doubled.
A
The resultant velocity would be more than doubled.
B
The resultant velocity would be doubled.
C
Easy
2min
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