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Courtney is out riding her Jet Ski in La Manche Pond. Courtney starts from rest and accelerates at + 1 . 8 6 m /

Courtney is out riding her Jet Ski in La Manche Pond. Courtney starts from rest and accelerates at

+ 1.86

/

2

for

6.42

.

At the end of this time, Courtney continues for an additional

5.46

s with an acceleration of

+ 0.525

/

2 .

Following this, she accelerates at

- 1.30

/

2

for

8.34

.

What is the velocity

(

in m

/

)

of the boat at the end of the third interval?

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