Question

A stone is thrown from the top of the building upward at an angle of 30° to the horizontal with an initial speed of 10 m/s find the height of the building

Answer 1

It is not possible to determine.

Explanation:

The only information that is provided is that a stone is thrown from the top of  a building at an upward angle of 30'. In other words, it is a projectile motion.

The problem is that we are told to find the height.

Let's say we use this equation

$v^2 - u^2 = 2gS$

We have 3 unknowns in the above equation, the only variable whose value is known is g, and that is 9.81 $m/s^2$.

Now, both v and S are uknown. If we take a certain value of v, we get a corresponding value of S and vice versa.

Since we are not given a specific value to v, it is not possible to determine a specific value of S.