Subtract the sine term and take the square root.

Answer:
1) 1.1 seconds
2) 13.5 feet
<h3>Part A</h3>

<u>Apply quadratic formula</u>:

<u>Simplify following</u>

In decimal form:

Conclusion:
As time is be only positive: t = 1.1 seconds
<h3>Part B</h3>

<u>insert t = 0.5</u>

<u>simplify</u>
