The magnitude of the resultant velocity vector of the fish is approximately 5.83 m/s.The direction of the resultant velocity vector of the fish is approximately 30.93° relative to the direction of the river.
V = [tex]\sqrt (3^{2} +5^{2} )[/tex]
V = [tex]\sqrt9+25}[/tex]
V = [tex]\sqrt{34}[/tex]
V = 5.83m/s
Ф = [tex]tan^{-1}[/tex]([tex]\frac{3}{5}[/tex])
Ф = 30.96°
speed is the directional velocity of an object in movement as an indication of its rate of exchange in position as determined from a selected body of reference and as measured with the aid of a selected general of time (e.g., 60 km/h northbound). speed is a fundamental idea in kinematics, the department of classical mechanics that describes the movement of our bodies.
velocity is a bodily vector quantity; each importance and direction are needed to define it. The scalar absolute fee (importance) of pace is referred to as velocity, being a coherent derived unit, whose amount is measured within the SI (metric system) as meters in keeping with 2d (m/s or m⋅s−1).
If there's an exchange in pace, course, or each, then the object is said to be undergoing acceleration.
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