Answer:
I believe that " a fish swims at 30m/s" is the answer
Step-by-step explanation:
fish swimming in a horizontal plane has velocity
v
i
=(4.00
i
^
+1.00
j
^
)m/s at a point in the ocean where the position relative to a certain rock is
r
i
=(10.0
i
^
−4.00
j
^
)m. After the fish swims with constant acceleration for 20.0s, its velocity is
v
=(20.0
i
^
−5.00
j
^
)m/s.