A lead ball at `25^@`C is dropped from a height of 2 km. It is heated due to air resistance and it is assumed that all of its kinetic energy is used in increasing the temperature of ball. Find the final temperature of the ball.

Explanation

To find the final temperature of the lead ball after it is dropped from a height of 2 km, we can follow these steps:

### Step 1: Calculate the Potential Energy (PE) at the height
The potential energy of the lead ball when it is at a height \( H \) is given by the formula:
\[ PE = mgh \]
where:
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