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CBSE Class 11-science Answered

for what angle horizontal projection is maximum a)90 degree (b) 45 degree (c) 60 degree (d) 0 degr
Asked by ritamkumar | 08 Nov, 2009, 05:49: AM
answered-by-expert Expert Answer

Horizontal range , X = vo2 sin 2 θ / g

From above eqn , it is clear that horizonatal range depends on the value of velocity of projection and angle of projection. For fixed vo , range will be maximum if sin 2 θ is max. i.e.

sin 2 θ = 1 = sin 90o

or, 2 θ = 90o

or, θ = 45o

Answered by | 08 Nov, 2009, 01:45: PM
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