Question

The pendulum hanging from the ceiling of a railway carriage
makes angle 30° with the vertical, when it is accelerating.
The acceleration of the carriage is :​

Answer 1

Explanation:

$\tan(30) = \binom{a}{g}$

$\binom{1}{ \sqrt{3} } = \frac{a}{10}$

$a = \frac{10}{ \sqrt{3} }$