Two objects are thrown up at angles of 45 and 60 respectively,with the horizontal. If both objects attain same vetical height,then the ratio of magnitude of velocities with which these are projected is ...
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θ1=30 degrees
θ2 = 60 degrees
a) Height = u² Sin² θ/2g
same height usinθ=constant
u1/u2 = Sinθ2/sinθ1
= sin60/sin30
= √3/1
Horizontal range R= u²sin2θ/g
for same hieght u² sin2θ=constant
u1/u2 =√sin2θ₂/sin2θ₁
=1/1
=1
θ2 = 60 degrees
a) Height = u² Sin² θ/2g
same height usinθ=constant
u1/u2 = Sinθ2/sinθ1
= sin60/sin30
= √3/1
Horizontal range R= u²sin2θ/g
for same hieght u² sin2θ=constant
u1/u2 =√sin2θ₂/sin2θ₁
=1/1
=1
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