# Question #df506

##### 1 Answer

Jun 13, 2015

THe answer is **b)**

#### Explanation:

So, you know the distance the trolley covers and the time it needs to do so. Another important piece of information you have is the fact that its *initial velocity* is zero.

The equation that establishes a relationship between *distance* and *time* looks like this

In your case, the equation will be

Plug your values into this equation and solve for