On the earth, a stone is thrown from a height in a direction parallel to the earth's surfaces while another stone is simultaneously dropped from the same height. Which stone whould reach the ground first and why ?

Explanation

To solve the question of which stone reaches the ground first when one is thrown horizontally and the other is dropped vertically from the same height, we can analyze the motion of both stones step by step.

### Step-by-Step Solution:

1. **Understanding the Motion**:
- The stone thrown horizontally will have an initial horizontal velocity, while the stone dropped vertically will have an initial vertical velocity of zero.
- Both stones are released from the same height.

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