A bullet of mass 200 g hits a block of thickness 6 cm with a speed of `100ms^(-1).` It emerges with `10%` of its initial KE. Find its emergent speed

Explanation

To solve the problem step by step, we will calculate the emergent speed of the bullet after it passes through the block.

### Step 1: Convert the mass of the bullet from grams to kilograms.
- Given mass of the bullet = 200 g
- To convert grams to kilograms:
\[ \text{Mass in kg} = \frac{200 \text{ g}}{1000} = 0.2 \text{ kg} \]
...