Answer
$19.5^{\circ}$
Work Step by Step
The sine of an angle is defined as force over weight.
Thus, $ \sin \theta=\dfrac{force}{weight}=\dfrac{5000}{15000}$
This implies that $ \theta=\sin^{-1} [\dfrac{5000}{15000}]$
or, $\theta =19.5^{\circ}$
