# Question #5d867

##### 1 Answer

The answer is **b)**

#### Explanation:

You know that your object covers half of the height of the tower in 2 seconds. Assuming that this distance is actually the *first half* of the height of the tower, you can write, taking into consideration the fact that the initial velocity of the object is **zero**,

The *total distance* the object travelled can be written as

*toal time* the object took to reach ground level.

You know that

This means that you have

This is equivalent to

Thus,