Mathematics

Problem

A vector

\mathbf{P}=7\,\hat i-24\,\hat j\,\text{N}

is added to a vector

\mathbf{Q}

such that the resultant is

25\,\text{N}

along the positive

y

-axis. The magnitude of

\mathbf{Q}

(to one decimal place) is a)

56.0\,\text{N}

50.0\,\text{N}

49.5\,\text{N}

49.0\,\text{N}