# A water balloon is thrown by Sandra out of her dormitory window at an angle of 60o. It lands at the feet of Chris, who is standing a horizontal distance of 6.00 m from the building. If it takes 2.50 s to reach Chris’s feet ?

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how to determine the height h that Sandra threw it from.

how to determine the height h that Sandra threw it from.

##### 1 Answer

Dec 13, 2015

#### Answer:

#### Explanation:

The situation is like this:

In the convention I use, up is +ve, down is -ve.

The horizontal component of the velocity is constant so:

Now we can use:

Using the sign convention this becomes:

This means that Sandra threw it from a height of