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Preetinder sagoo Grade: 11
        

prove that the path followed by a projectile is a straigt line as seen from another projectile.

7 years ago

Answers : (2)

vikas askiitian expert
510 Points
										

eq of path of projectile is s=ucos@ -gt2/2


if two projectiles are projected from horizontal ground with different initial velocity and angle....both these quantities are known then at any time t


coordinates of A,  S1=(UacosA)t i - gt2/2 j


coordinates of B, S2=(UbcosB)t i - gt2/2j


 coordinates of A wrt to B is S2-S1=t(UacosA-UbcosB)i + 0 j


            Xi + Yj = kt i + 0j                                     (UacosA-UbcosB = constant=k)


  ie X=kt  is a straight line              

7 years ago
Anuraj
11 Points
										
if two projectiles are projected from horizontal ground with different initial velocity and angle....both these quantities are known then at any time t coordinates of A, S1=(UacosA)t i - gt2/2 j coordinates of B, S2=(UbcosB)t i - gt2/2j coordinates of A wrt to B is S2-S1=t(UacosA-UbcosB)i + 0 j Xi + Yj = kt i + 0j (UacosA-UbcosB = constant=k) ie X=kt is a straight line
4 months ago
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