From the given information, the only thing we can tell is the wave's speed ... 21 m/s .
That also happens to be the product of it's (frequency) x (wavelength), but we can't say what either one alone is.
None of the items listed can be calculated without more information.
Explanation:
-100 n I think it so check this answer
I assume it woukd be higher energy light waves. when fire is at its hottest state its blue because its burning off so much.
The correct answer to your question is 3.62
Solution :
A vector is defined as an element that has magnitude of some measure and direction.
It is given there is vector 'd' which has magnitude 2.6 m and its direction is towards north.
a). -d
The magnitude of the vector '-d' is 2.6 m and its direction is reversed, i.e. its direction is towards south.
b). d/2.0
The magnitude of the vector 'd/2.0' is 1.3 m and its direction is towards north.
c). - 2.5d
The magnitude of the vector increases by 2.5 times i.e. 2.5 x 2.6 = 6.5 m and the direction is towards south.
d). 5.0d
The magnitude of the vector increases by 5 times i.e. 5 x 2.6 = 13 m and the direction is towards north.