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a bird moves from point (1,-2) to (4,2).if the speed of the bird is 10m/s,then the velocity vector of the bird is?


a bird moves from point (1,-2) to (4,2).if the speed of the bird is 10m/s,then the velocity vector of the bird is?


Grade:upto college level

1 Answers

Mukesh Sharma
askIITians Faculty 43 Points
7 years ago
We have given speed=10m/s
direction is (1,-2) to (4,2)
there fore direction will be =(4-1,2+2)=(3,4)
hence the direction of unit vector is (3/5,4/5)
now multiplying by magnitude 10m/s
we get velocity vector as
v=10 * (3/5,4/5)
v=6i+8j this will be the velocity vector

Thanks & regards

Mukesh Sharma

Ask iiTians Faculty

M.sc, Jiwaji university , Gwalior


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