Question

Resultant of a pair of 100 km/h velocity vectors that are at right angels to each other

Answer 1

The resultant of the two vectors is 141 km/h.

Explanation:

When two vectors are at right angles to each other, their resultant can be calculated by using the Pythagorean's theorem:

$R=\sqrt{A^2+B^2}$

where

A is the magnitude of the first vector

B is the magnitude of the second vector

In this problem, we have two velocity vectors of magnitude

A = 100 km/h

B = 100 km/h

Substituting into the formula, we find their resultant:

$R=\sqrt{100^2+100^2}=141.4 km/h$

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