Answer:
4.47
Explanation:
Given data
vector 1 = 2m/s
vector 2= 4 m/s
The expression for the magnitude of two vectors is
|a| = βv1^2+ v2^2
substitute
|a| = β2^2+ 4^2
|a| = β4+ 16
|a| = β20
|a| = 4.47
Hence the magnitude of the two vectors is 4.47