An object of mass `1kg` travelling in a straight line with a velocity of `10m//s` collides with, and sticks to, a stationary wooden block of mass `5kg`. Then, they both move off together in the same straight line. Calculate the total momentum just before the impact and just after the impact. Also, calculate the velocity of the combined object.

Explanation

To solve the problem, we will follow these steps:

### Step 1: Calculate the total momentum just before the impact.

The momentum of an object is given by the formula:
\[ \text{Momentum} = \text{mass} \times \text{velocity} \]

For the moving object:
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