CBSE Class 11-science Answered
at what angle a particle should b projected obliquely such that its range and maximum height be same
Asked by | 15 Jun, 2008, 06:16: PM
Expert Answer
Let the projectile be projected at an angle θ with speed ‘u’ .
The horizontal range ( R ) and the maximum height ( H ) is given by,
R = u2 sin 2 θ / g and,
H = u2 sin2 θ / 2g
As, R = H
We get, u2 sin 2 θ / g = u2 sin2 θ / 2g
Or, 2 sin θ cos θ = sin2 θ / 2
Or, tan θ = 4
Or, θ = tan -1 ( 4 )
Answered by | 17 Jun, 2008, 12:00: AM
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