Answer:
satisfaction, enjoyment and fair play
Answer:

Explanation:
The acceleration experimented while taking a curve is the centripetal acceleration
. Since
, we have that: 
They take the same curve, so we have: 
Which means: 
And finally we obtain: 
Answer: Some challenges that I could see would be the walls, possibly a moat, tar, and the towers.
Explanation: The wall is obliviously a main problem, trying to get over it or through it is a difficult challenge. The moat (if it has one) means that there is more than likely only one way to get in or out. If it does have tar it means that the attackers are going to be put in a "sticky situation" And finally the towers, they have people at the top shooting arrows down at you, or throwing things at you.
The possible units for impulse would be:
<span>(N. s)
</span><span>(kg. m/s)</span>