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The horizontal and vertical displacements of a particle moving along a curved line are given by x=5t and y=2t2 +t. Time after which its velocity vector makes an angle of 60 degree with the horizontal is ------

The horizontal and vertical displacements of a particle moving along a curved line are given by x=5t and y=2t2 +t. Time after which its velocity vector makes an angle of 60 degree with the horizontal is ------

Grade:11

1 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
Dear student

vx = 5
vy= 4t + 1

vy/vx = tan(60)

t= (5(sqrt(3))-1)/4

Regards

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