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A Particle Is Thrown From the bottom of an inclined plane at an inclination of 45° with horizontal as shown Find tan alpha so that it may hit the plane perpendicularly

A Particle Is Thrown From the bottom of an inclined plane at an inclination of 45° with horizontal as shown
Find tan alpha so that it may hit the plane perpendicularly

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Grade:11

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
4 years ago
Dear student

Please find the link below to theory and similar question

https://www.askiitians.com/iit-jee-physics/mechanics/motion-of-projectile.aspx

Regards
Vikas TU
14149 Points
4 years ago
We know that the total displacement perpendicular to the inclined plane is zero
So, 0=usin(α−β)t−1/2 g cosβt^2 
t = 2usin(α−β)/gcosβ
OB = (ucosα)t 
OA = OB/cosβ = R  

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