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4 votes
Which of the following is a description of a vector quantity

A rock rolls 3m
A plane flies 600km west
A fish swims at 3m/s
A runner jogs for 30min

User Kirsteins
by
7.8k points

1 Answer

5 votes

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.

User Ed Poor
by
8.4k points